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Volumn 83, Issue 4, 2008, Pages 1324-1352

Warrantless location tracking

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EID: 56149107754     PISSN: 00287881     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Review
Times cited : (5)

References (152)
  • 1
    • 56149091865 scopus 로고    scopus 로고
    • See, e.g., Kyllo v. United States, 533 U.S. 27, 40 (2001) (holding use of thermal imaging device aimed at private home from public street constitutes search within meaning of Fourth Amendment).
    • See, e.g., Kyllo v. United States, 533 U.S. 27, 40 (2001) (holding use of thermal imaging device aimed at private home from public street constitutes "search" within meaning of Fourth Amendment).
  • 2
    • 49549104059 scopus 로고    scopus 로고
    • The Peterson Trial; Defendant Lied Often, Recorded Calls Show; Supporters Misled About Whereabouts
    • Aug. 26, at, available at
    • Diana Walsh & Stacy Finz, The Peterson Trial; Defendant Lied Often, Recorded Calls Show; Supporters Misled About Whereabouts, S.F. CHRON., Aug. 26, 2004, at B1, available at http://www.sfgate.com/cgi-bin/ article.cgi?f=/c/a/2004/08/26/BAG458EJ3S1.DTL.
    • (2004) S.F. CHRON
    • Walsh, D.1    Finz, S.2
  • 3
    • 56149088571 scopus 로고    scopus 로고
    • Laurie Thomas Lee, Can Police Track Your Wireless Calls? Call Location Information and Privacy Law, 21 CARDOZO ARTS & ENT. L.J. 381, 381 (2003) (discussing kidnapping of Greek magnate).
    • Laurie Thomas Lee, Can Police Track Your Wireless Calls? Call Location Information and Privacy Law, 21 CARDOZO ARTS & ENT. L.J. 381, 381 (2003) (discussing kidnapping of Greek magnate).
  • 4
    • 56149096754 scopus 로고    scopus 로고
    • See, e.g., Girl, 5, Found Safe as Man Steals Car, ROCKY MTN. NEWS (Colo.), Apr. 22, 2004, at 18A (reporting use of cell phone to locate car stolen with child inside).
    • See, e.g., Girl, 5, Found Safe as Man Steals Car, ROCKY MTN. NEWS (Colo.), Apr. 22, 2004, at 18A (reporting use of cell phone to locate car stolen with child inside).
  • 5
    • 56149106355 scopus 로고    scopus 로고
    • Many such services are available. For a representative example, consider Accu-Tracking, which bills itself as the [tjracking [s]ervice for [e]veryone. AccuTracking, http://www.accutracking.com (last visited Mar. 8, 2008).
    • Many such services are available. For a representative example, consider Accu-Tracking, which bills itself as the "[tjracking [s]ervice for [e]veryone." AccuTracking, http://www.accutracking.com (last visited Mar. 8, 2008).
  • 6
    • 56149087070 scopus 로고    scopus 로고
    • See In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion II), 396 F. Supp. 2d 294, 318 n.21 (E.D.N.Y. 2005) (referring to cell phone tracking as routine technique for which judicial authorization requests have been drafted on forms that have been in use for years).
    • See In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion II), 396 F. Supp. 2d 294, 318 n.21 (E.D.N.Y. 2005) (referring to cell phone tracking as "routine" technique for which judicial authorization requests have been drafted on "forms that have been in use for years").
  • 7
  • 8
    • 56149127742 scopus 로고    scopus 로고
    • Compare In re Application of the United States for an Order Authorizing the Disclosure of Prospective Cell Site Info, Adelman Opinion, No. 06-MISC-004, 2006 WL 2871743, at *1, *7 (E.D. Wis. Oct. 6, 2006, requiring probable cause and warrant for such tracking, and In re Application of the United States for an Order: (1) Authorizing the Installation & Use of a Pen Register & Trap & Trace Device; (2) Authorizing the Release of Subscriber & Other Info, & (3) Authorizing the Disclosure of Location-Based Servs, Lee Opinion, Nos. 1:06-MC-6, 1:06-MC-7, 2006 WL 1876847, at *1, *5 (N.D. Ind. July 5, 2006, same, with In re Application of the United States for an Order for Prospective Cell Site Location Info, on a Certain Cellular Tel, Kaplan Opinion, 460 F. Supp. 2d 448, 450 S.D.N.Y. 2006, permitting such searches absent probable cause, and In re Application of the United States for an Order
    • Compare In re Application of the United States for an Order Authorizing the Disclosure of Prospective Cell Site Info. (Adelman Opinion), No. 06-MISC-004, 2006 WL 2871743, at *1, *7 (E.D. Wis. Oct. 6, 2006) (requiring probable cause and warrant for such tracking), and In re Application of the United States for an Order: (1) Authorizing the Installation & Use of a Pen Register & Trap & Trace Device; (2) Authorizing the Release of Subscriber & Other Info.; & (3) Authorizing the Disclosure of Location-Based Servs. (Lee Opinion), Nos. 1:06-MC-6, 1:06-MC-7, 2006 WL 1876847, at *1, *5 (N.D. Ind. July 5, 2006) (same), with In re Application of the United States for an Order for Prospective Cell Site Location Info, on a Certain Cellular Tel. (Kaplan Opinion), 460 F. Supp. 2d 448, 450 (S.D.N.Y. 2006) (permitting such searches absent probable cause), and In re Application of the United States for an Order: (1) Authorizing the Installation & Use of a Pen Register & Trap & Trace Device, & (2) Authorizing Release of Subscriber & Other Info. (Rosenthal Opinion), 433 F. Supp. 2d 804, 805-06 (S.D. Tex. 2006) (same).
  • 9
    • 56149084602 scopus 로고    scopus 로고
    • A complete list of published magistrate opinions on this topic would exhaust the space available for discussion of them; only a representative few need be considered. See, e.g, In re Application of the United States for an Order Authorizing (1) Installation & Use of a Pen Register & Trap & Trace Device or Process, 2) Access to Customer Records, & (3) Cell Phone Tracking (Smith Opinion, 441 F. Supp. 2d 816, 836-37 (S.D. Tex. 2006, concluding that less than probable cause showing for cell phone location tracking might violate Fourth Amendment);
    • A complete list of published magistrate opinions on this topic would exhaust the space available for discussion of them; only a representative few need be considered. See, e.g., In re Application of the United States for an Order Authorizing (1) Installation & Use of a Pen Register & Trap & Trace Device or Process, (2) Access to Customer Records, & (3) Cell Phone Tracking (Smith Opinion), 441 F. Supp. 2d 816, 836-37 (S.D. Tex. 2006) (concluding that less than probable cause showing for cell phone location tracking might violate Fourth Amendment);
  • 10
    • 56149085736 scopus 로고    scopus 로고
    • In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435, 448-49 (S.D.N.Y. 2005) (allowing such tracking without probable cause);
    • In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435, 448-49 (S.D.N.Y. 2005) (allowing such tracking without probable cause);
  • 11
    • 56149088766 scopus 로고    scopus 로고
    • Orenstein Opinion II, 3% F. Supp. 2d at 295, 327 (E.D.N.Y. 2005) (requiring probable cause and warrant for such tracking);
    • Orenstein Opinion II, 3% F. Supp. 2d at 295, 327 (E.D.N.Y. 2005) (requiring probable cause and warrant for such tracking);
  • 12
    • 56149121571 scopus 로고    scopus 로고
    • In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. 384 F. Supp. 2d 562, 564 (E.D.N.Y. 2005) (same, but on different grounds).
    • In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. 384 F. Supp. 2d 562, 564 (E.D.N.Y. 2005) (same, but on different grounds).
  • 13
    • 56149090881 scopus 로고    scopus 로고
    • For an overview of the case law available on cell phone location tracking, see Deborah F. Buckman, Annotation, Allowable Use of Federal Pen Register and Trap and Trace Device to Trace Cell Phones and Internet Use, 15 A.L.R. FED. 2o 537, 547-61 (2007) (collecting published cases).
    • For an overview of the case law available on cell phone location tracking, see Deborah F. Buckman, Annotation, Allowable Use of Federal Pen Register and Trap and Trace Device to Trace Cell Phones and Internet Use, 15 A.L.R. FED. 2o 537, 547-61 (2007) (collecting published cases).
  • 14
    • 56149104645 scopus 로고    scopus 로고
    • How STUFF WORKS, last visited Mar. 8
    • Julia Layton et al., How Cell Phones Work, How STUFF WORKS, http://electronics.howstuffworks.com/cell-phone.htm/printable (last visited Mar. 8, 2008).
    • (2008) How Cell Phones Work
    • Layton, J.1
  • 15
    • 56149095544 scopus 로고    scopus 로고
    • Id
    • Id.
  • 16
    • 56149115083 scopus 로고    scopus 로고
    • Id
    • Id.
  • 17
    • 56149117152 scopus 로고    scopus 로고
    • See Kaplan Opinion, 460 F. Supp. 2d at 450 (describing every cell phone as periodically transmit[ting] a unique identification number to register its presence and location in the network).
    • See Kaplan Opinion, 460 F. Supp. 2d at 450 (describing every cell phone as "periodically transmit[ting] a unique identification number to register its presence and location in the network").
  • 18
    • 56149102287 scopus 로고    scopus 로고
    • For example, Apple's iPhone relies in part on this technique to show its user her location on the map software. See John Markoff, Jobs Returns to His Mac Roots with a Thin, Ultralight Laptop, N.Y. TIMES, Jan. 16, 2008, at C4 (discussing map feature's introduction at 2008 Macworld Expo).
    • For example, Apple's iPhone relies in part on this technique to show its user her location on the map software. See John Markoff, Jobs Returns to His Mac Roots with a Thin, Ultralight Laptop, N.Y. TIMES, Jan. 16, 2008, at C4 (discussing map feature's introduction at 2008 Macworld Expo).
  • 19
    • 56149117179 scopus 로고    scopus 로고
    • Kaplan Opinion, 460 F. Supp. 2d at 451 & n.3;
    • Kaplan Opinion, 460 F. Supp. 2d at 451 & n.3;
  • 20
    • 56149089044 scopus 로고    scopus 로고
    • see also JOHN CLAYTON TRACY, PLANE SURVEYING: A TEXT-BOOK AND POCKET MANUAL 191-200 (1906) (describing triangulation in another context).
    • see also JOHN CLAYTON TRACY, PLANE SURVEYING: A TEXT-BOOK AND POCKET MANUAL 191-200 (1906) (describing triangulation in another context).
  • 21
    • 56149097632 scopus 로고    scopus 로고
    • See, e.g., Kaplan Opinion, 460 F. Supp. 2d at 451 (referring to location information as cell site data).
    • See, e.g., Kaplan Opinion, 460 F. Supp. 2d at 451 (referring to location information as "cell site" data).
  • 23
    • 84888491658 scopus 로고    scopus 로고
    • §§ 3121-3127 2000
    • 18 U.S.C. §§ 3121-3127 (2000).
    • 18 U.S.C
  • 24
    • 56149123962 scopus 로고    scopus 로고
    • United States v. N.Y. Tel. Co., 434 U.S. 159, 161 n.1 (1977).
    • United States v. N.Y. Tel. Co., 434 U.S. 159, 161 n.1 (1977).
  • 25
    • 56149123479 scopus 로고    scopus 로고
    • See In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion II), 396 F. Supp. 2d 294, 318 (E.D.N.Y. 2005) (noting Patriot Act's expansion of pen/trap definitions).
    • See In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion II), 396 F. Supp. 2d 294, 318 (E.D.N.Y. 2005) (noting Patriot Act's expansion of pen/trap definitions).
  • 26
    • 56149092749 scopus 로고    scopus 로고
    • These requirements are set out generally in 18 U.S.C. § 3123b, 2000, What exactly the statutory requirements are for this type of pen register-particularly, what evidentiary showing must be made, is the topic of this Note
    • These requirements are set out generally in 18 U.S.C. § 3123(b) (2000). What exactly the statutory requirements are for this type of pen register-particularly, what evidentiary showing must be made - is the topic of this Note.
  • 27
    • 84888491658 scopus 로고    scopus 로고
    • § 31273, 2000
    • 18 U.S.C. § 3127(3) (2000).
    • 18 U.S.C
  • 28
    • 56149112970 scopus 로고    scopus 로고
    • See In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion I), 384 F. Supp. 2d 562, 566 (E.D.N.Y. 2005) (describing absence of law on topic despite magistrates in other jurisdictions confronting issue).
    • See In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion I), 384 F. Supp. 2d 562, 566 (E.D.N.Y. 2005) (describing absence of law on topic despite magistrates in other jurisdictions confronting issue).
  • 29
    • 56149120715 scopus 로고    scopus 로고
    • Id
    • Id.
  • 30
    • 56149092275 scopus 로고    scopus 로고
    • Id. (citing Henslee v. Union Planters Nat'1 Bank & Trust Co., 335 U.S. 595, 600 (1949) (Frankfurter, J., dissenting) (Wisdom too often never comes, and so one ought not to reject it merely because it comes late.)).
    • Id. (citing Henslee v. Union Planters Nat'1 Bank & Trust Co., 335 U.S. 595, 600 (1949) (Frankfurter, J., dissenting) ("Wisdom too often never comes, and so one ought not to reject it merely because it comes late.")).
  • 32
    • 56149084145 scopus 로고    scopus 로고
    • Cf. In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion 11), 396 F. Supp. 2d 294, 318 n.21 (E.D.N.Y. 2005) (referring to this technique as routine, and having been submitted on forms that have been in use for years).
    • Cf. In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion 11), 396 F. Supp. 2d 294, 318 n.21 (E.D.N.Y. 2005) (referring to this technique as "routine," and having been submitted on "forms that have been in use for years").
  • 33
    • 56149100215 scopus 로고    scopus 로고
    • See In re Application of the United States for an Order Authorizing (1) Installation & Use of a Pen Register & Trap & Trace Device or Process, (2) Access to Customer Records, & (3) Cell Phone Tracking (Smith Opinion), 441 F. Supp. 2d 816, 836-37 (S.D. Tex. 2006).
    • See In re Application of the United States for an Order Authorizing (1) Installation & Use of a Pen Register & Trap & Trace Device or Process, (2) Access to Customer Records, & (3) Cell Phone Tracking (Smith Opinion), 441 F. Supp. 2d 816, 836-37 (S.D. Tex. 2006).
  • 34
    • 56149091595 scopus 로고    scopus 로고
    • See Orenstein Opinion II, 396 F. Supp. 2d at 294.
    • See Orenstein Opinion II, 396 F. Supp. 2d at 294.
  • 35
    • 56149099738 scopus 로고    scopus 로고
    • See supra note 8
    • See supra note 8.
  • 36
    • 56149086851 scopus 로고    scopus 로고
    • In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435 (S.D.N.Y. 2005). This prompted amicus curiae the Electronic Frontier Foundation to remark on its website: What a difference a G makes. Electronic Frontier Foundation: DeepLinks, Bad Ruling on Cell Phone Tracking, http://www.eff.org/ deep-links/2005/12/bad-ruling-cell-phone-tracking-what-difference-g-make s (last visited Mar. 8, 2008).
    • In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435 (S.D.N.Y. 2005). This prompted amicus curiae the Electronic Frontier Foundation to remark on its website: "What a difference a G makes." Electronic Frontier Foundation: DeepLinks, Bad Ruling on Cell Phone Tracking, http://www.eff.org/ deep-links/2005/12/bad-ruling-cell-phone-tracking-what-difference-g-makes (last visited Mar. 8, 2008).
  • 37
    • 56149116687 scopus 로고    scopus 로고
    • The magistrate judges have encouraged the government to seek review by a court of appeals. See, e.g., In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion I), 384 F. Supp. 2d 562, 566 (E.D.N.Y. 2005) (requesting appellate resolution of matter).
    • The magistrate judges have encouraged the government to seek review by a court of appeals. See, e.g., In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion I), 384 F. Supp. 2d 562, 566 (E.D.N.Y. 2005) (requesting appellate resolution of matter).
  • 38
    • 56149106574 scopus 로고    scopus 로고
    • See Id. (stating that Judge Orenstein's research failed to reveal any federal case law directly on point).
    • See Id. (stating that Judge Orenstein's research "failed to reveal any federal case law directly on point").
  • 39
    • 21244448737 scopus 로고    scopus 로고
    • Internet Surveillance Law After the USA Patriot Act: The Big Brother That Isn't, 97
    • On the continuum of surveillance process, see, available at
    • On the continuum of surveillance process, see Orin S. Kerr, Internet Surveillance Law After the USA Patriot Act: The Big Brother That Isn't, 97 NW. U. L. REV. 607, 620-21 (2003), available at http://ssrn.com/abstract=317501.
    • (2003) NW. U. L. REV , vol.607 , pp. 620-621
    • Kerr, O.S.1
  • 40
    • 84888491658 scopus 로고    scopus 로고
    • §§ 2510-2522 2000
    • 18 U.S.C. §§ 2510-2522 (2000).
    • 18 U.S.C
  • 41
    • 56149105145 scopus 로고    scopus 로고
    • § 2518
    • § 2518.
  • 42
    • 56149102286 scopus 로고    scopus 로고
    • This chart owes much to Kerr, supra note 33, at 620-21
    • This chart owes much to Kerr, supra note 33, at 620-21.
  • 43
    • 84888491658 scopus 로고    scopus 로고
    • § 3123a
    • 18 U.S.C. § 3123(a).
    • 18 U.S.C
  • 44
    • 84888491658 scopus 로고    scopus 로고
    • § 2703d
    • 18 U.S.C. § 2703(d).
    • 18 U.S.C
  • 45
    • 56149093667 scopus 로고    scopus 로고
    • FED. R. CRIM. P. 41(d)(1).
    • FED. R. CRIM. P. 41(d)(1).
  • 46
    • 56149095271 scopus 로고    scopus 로고
    • 18 U.S.C. § 2518
    • 18 U.S.C. § 2518.
  • 47
    • 56149098796 scopus 로고    scopus 로고
    • Kerr, supra note 33, at 611
    • Kerr, supra note 33, at 611.
  • 48
    • 56149111955 scopus 로고    scopus 로고
    • Id
    • Id.
  • 49
    • 84888491658 scopus 로고    scopus 로고
    • §§ 2510-2522 2000
    • 18 U.S.C. §§ 2510-2522 (2000).
    • 18 U.S.C
  • 50
    • 56149104611 scopus 로고    scopus 로고
    • § 2511(1)a
    • § 2511(1)(a).
  • 51
    • 56149117374 scopus 로고    scopus 로고
    • § 2515
    • § 2515.
  • 52
    • 56149110121 scopus 로고    scopus 로고
    • § 25104
    • § 2510(4).
  • 53
    • 56149119334 scopus 로고    scopus 로고
    • § 25108
    • § 2510(8).
  • 54
    • 56149125837 scopus 로고    scopus 로고
    • § 2518 (describing super-warrant requirements for intercepting wire, oral, and electronic communications).
    • § 2518 (describing super-warrant requirements for intercepting wire, oral, and electronic communications).
  • 55
    • 84888491658 scopus 로고    scopus 로고
    • § 31273, 2000
    • 18 U.S.C. § 3127(3) (2000).
    • 18 U.S.C
  • 56
    • 40749125385 scopus 로고    scopus 로고
    • See
    • § 3123a, requiring law enforcement to certify that pen register information likely to be obtained by such installation and use is relevant to an ongoing criminal investigation
    • See 18 U.S.C. § 3123(a) (requiring law enforcement to certify that pen register information "likely to be obtained by such installation and use is relevant to an ongoing criminal investigation").
    • 18 U.S.C
  • 57
    • 56149122289 scopus 로고    scopus 로고
    • I am grateful to Professor Kerr for raising this objection
    • I am grateful to Professor Kerr for raising this objection.
  • 58
    • 56149114328 scopus 로고    scopus 로고
    • In re Application of the United States for an Order Authorizing the Installation & Use of a Pen Register Device, a Trap & Trace Device, & for Geographic Location Info. (McGiverin Opinion), 497 F. Supp. 2d 301, 304 (D.P.R. 2007)
    • In re Application of the United States for an Order Authorizing the Installation & Use of a Pen Register Device, a Trap & Trace Device, & for Geographic Location Info. (McGiverin Opinion), 497 F. Supp. 2d 301, 304 (D.P.R. 2007)
  • 59
    • 56149088298 scopus 로고    scopus 로고
    • (quoting In re Application of the United States for an Order Authorizing the Disclosure of Prospective Cell Site Info. (Adelman Opinion), No. 06-MISC-004, 2006 WL 2871743, at *1 (E.D. Wis. Oct. 6, 2006)).
    • (quoting In re Application of the United States for an Order Authorizing the Disclosure of Prospective Cell Site Info. (Adelman Opinion), No. 06-MISC-004, 2006 WL 2871743, at *1 (E.D. Wis. Oct. 6, 2006)).
  • 60
    • 56149090389 scopus 로고    scopus 로고
    • no person may install or use a pen register or a trap and trace device without first obtaining a court order under section 3123 of this title
    • The Pen Register Act states that 18 U.S.C. § 3121a
    • The Pen Register Act states that "no person may install or use a pen register or a trap and trace device without first obtaining a court order under section 3123 of this title." 18 U.S.C. § 3121(a).
  • 61
    • 56149095275 scopus 로고    scopus 로고
    • See, e.g., In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435, 438-39 (S.D.N.Y. 2005) (noting that under Pen Register Act, the term 'signaling information' includes information on the location of cell site towers used by a cellular telephone).
    • See, e.g., In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435, 438-39 (S.D.N.Y. 2005) (noting that under Pen Register Act, "the term 'signaling information' includes information on the location of cell site towers used by a cellular telephone").
  • 62
    • 56149084845 scopus 로고    scopus 로고
    • § 1002(a)(2, 2000, The provision states: [W]ith regard to information acquired solely pursuant to the authority for pen registers and trap and trace devices, call-identifying information shall not include any information that may disclose the physical location of the subscriber except to the extent that the location may be determined from the telephone number, Id
    • 47 U.S.C. § 1002(a)(2) (2000). The provision states: "[W]ith regard to information acquired solely pursuant to the authority for pen registers and trap and trace devices . . . call-identifying information shall not include any information that may disclose the physical location of the subscriber (except to the extent that the location may be determined from the telephone number)." Id.
    • 47 U.S.C
  • 63
    • 56149098600 scopus 로고    scopus 로고
    • Gorenstein Opinion, 405 F. Supp. 2d at 442.
    • Gorenstein Opinion, 405 F. Supp. 2d at 442.
  • 64
    • 56149099011 scopus 로고    scopus 로고
    • The rule against surplusage is a canon of statutory construction that discourages interpretations of a statute that render some words meaningless. See, e.g, United States v. Menasche, 348 U.S. 528, 538-39 1955
    • The rule against surplusage is a canon of statutory construction that discourages interpretations of a statute that render some words meaningless. See, e.g., United States v. Menasche, 348 U.S. 528, 538-39 (1955).
  • 65
    • 56149122290 scopus 로고    scopus 로고
    • In re Application of the United States for an Order for Prospective Cell Site Location Info, on a Certain Cellular Tel. (Kaplan Opinion), 460 F. Supp. 2d 448, 458 (S.D.N.Y. 2006).
    • In re Application of the United States for an Order for Prospective Cell Site Location Info, on a Certain Cellular Tel. (Kaplan Opinion), 460 F. Supp. 2d 448, 458 (S.D.N.Y. 2006).
  • 66
    • 56149098390 scopus 로고    scopus 로고
    • See In re Application of the United States for an Order Authorizing the Installation & Use of a Pen Register Device, a Trap & Trace Device, & for Geographic Location Info. (McGiverin Opinion), 497 F. Supp. 2d 301, 305 (D.P.R. 2007) (referring to theory by this name).
    • See In re Application of the United States for an Order Authorizing the Installation & Use of a Pen Register Device, a Trap & Trace Device, & for Geographic Location Info. (McGiverin Opinion), 497 F. Supp. 2d 301, 305 (D.P.R. 2007) (referring to theory by this name).
  • 67
    • 84888491658 scopus 로고    scopus 로고
    • §§ 2701-2711 2000
    • 18 U.S.C. §§ 2701-2711 (2000).
    • 18 U.S.C
  • 68
    • 56149114329 scopus 로고    scopus 로고
    • See, e.g., In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion 11), 396 F. Supp. 2d 294, 313-14 (E.D.N.Y. 2005).
    • See, e.g., In re Application of the United States for an Order (1) Authorizing the Use of a Pen Register & a Trap & Trace Device & (2) Authorizing Release of Subscriber Info. &/or Cell Site Info. (Orenstein Opinion 11), 396 F. Supp. 2d 294, 313-14 (E.D.N.Y. 2005).
  • 69
    • 56149104132 scopus 로고    scopus 로고
    • See
    • See FED. R. CRIM. P. 41(d)(1) (requiring judge to "issue the warrant" after receiving affidavit from law enforcement officer "if there is probable cause to search for and seize a person or property or to install and use a tracking device").
    • 41(d)(1) (requiring judge to issue the warrant
    • FED, R.1    CRIM, P.2
  • 70
    • 56149101798 scopus 로고    scopus 로고
    • The Electronic Frontier Foundation is one example of such an advocacy group. See Brief for the Electronic Frontier Foundation as Amicus Curiae Opposing the Government at 6-9, In re Application for Pen Register & Trap & Trace Device with Cell Site Location Auth., No. 05-1093 (E.D.N.Y. Sept. 23, 2005) (arguing that only warrant satisfying Title III's requirements can authorize cell phone tracking).
    • The Electronic Frontier Foundation is one example of such an advocacy group. See Brief for the Electronic Frontier Foundation as Amicus Curiae Opposing the Government at 6-9, In re Application for Pen Register & Trap & Trace Device with Cell Site Location Auth., No. 05-1093 (E.D.N.Y. Sept. 23, 2005) (arguing that only warrant satisfying Title III's requirements can authorize cell phone tracking).
  • 71
    • 84888491658 scopus 로고    scopus 로고
    • § 2703a
    • 18 U.S.C. § 2703(a).
    • 18 U.S.C
  • 72
    • 84886342665 scopus 로고    scopus 로고
    • text accompanying note 3
    • See supra text accompanying note 3.
    • See supra
  • 73
    • 56149100671 scopus 로고    scopus 로고
    • The particular magistrate's tolerance for this form of wordplay often decides the case. Cf. In re Application of the United States for an Order Authorizing the Installation & Use of a Pen Register Device, a Trap & Trace Device, & for Geographic Location Info. (McGiverin Opinion), 497 F. Supp. 2d 301, 309 n.3 (D.P.R. 2007) ([T]he fact that there may be momentary storage of cell site data before disclosure to the government does not address the SCA's lack of procedural safeguards.).
    • The particular magistrate's tolerance for this form of wordplay often decides the case. Cf. In re Application of the United States for an Order Authorizing the Installation & Use of a Pen Register Device, a Trap & Trace Device, & for Geographic Location Info. (McGiverin Opinion), 497 F. Supp. 2d 301, 309 n.3 (D.P.R. 2007) ("[T]he fact that there may be momentary storage of cell site data before disclosure to the government does not address the SCA's lack of procedural safeguards.").
  • 74
    • 56149127739 scopus 로고    scopus 로고
    • See, e.g.. In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435, 446-47 (S.D.N.Y. 2005) (holding that cell site information is transmitted to the Government only after it has come into the possession of the cellular telephone provider in the form of a record and that SCA is appropriate statutory partner with Pen Register Act under CALEA).
    • See, e.g.. In re Application of the United States for an Order for Disclosure of Telecomms. Records & Authorizing the Use of a Pen Register & Trap & Trace (Gorenstein Opinion), 405 F. Supp. 2d 435, 446-47 (S.D.N.Y. 2005) (holding that cell site information "is transmitted to the Government only after it has come into the possession of the cellular telephone provider in the form of a record" and that SCA is appropriate statutory partner with Pen Register Act under CALEA).
  • 75
    • 56149126514 scopus 로고    scopus 로고
    • FED. R. CRIM. P. 41(d)(1).
    • FED. R. CRIM. P. 41(d)(1).
  • 76
    • 56149110871 scopus 로고    scopus 로고
    • See supra Part II.A and accompanying chart.
    • See supra Part II.A and accompanying chart.
  • 77
    • 84963456897 scopus 로고    scopus 로고
    • notes 37-47 and accompanying text
    • See supra notes 37-47 and accompanying text.
    • See supra
  • 78
    • 56149088064 scopus 로고    scopus 로고
    • Ashwander v. Tenn. Valley Auth., 297 U.S. 288, 345-46 (1936) (Brandeis, J., concurring).
    • Ashwander v. Tenn. Valley Auth., 297 U.S. 288, 345-46 (1936) (Brandeis, J., concurring).
  • 79
    • 56149117376 scopus 로고    scopus 로고
    • NLRB v. Catholic Bishop of Chi., 440 U.S. 490, 510 (1979) (Brennan, J., dissenting).
    • NLRB v. Catholic Bishop of Chi., 440 U.S. 490, 510 (1979) (Brennan, J., dissenting).
  • 80
    • 56049128299 scopus 로고    scopus 로고
    • Almendarez-Torres v. United States, 523 U.S. 224, 250 (1998) (Scalia, J., dissenting).
    • Almendarez-Torres v. United States, 523 U.S. 224, 250 (1998) (Scalia, J., dissenting).
  • 81
    • 56149121816 scopus 로고    scopus 로고
    • Murray v. The Charming Betsy, 6 U.S. (2 Cranch) 64, 118 (1804). Avoidance of conflict with the law of nations referred to in this passage has been later used by the Court in constitutional avoidance cases. See Edward J. DeBartolo Corp. v. Fla. Gulf Coast Bldg. & Constr. Trades Council, 485 U.S. 568, 575 (1988).
    • Murray v. The Charming Betsy, 6 U.S. (2 Cranch) 64, 118 (1804). Avoidance of conflict with the "law of nations" referred to in this passage has been later used by the Court in constitutional avoidance cases. See Edward J. DeBartolo Corp. v. Fla. Gulf Coast Bldg. & Constr. Trades Council, 485 U.S. 568, 575 (1988).
  • 82
    • 56149120693 scopus 로고    scopus 로고
    • WILLIAM N. ESKRIDGE. JR. ET AL., CASES AND MATERIALS ON LEGISLATION: STATUTES AND THE CREATION OF PUBLIC POLICY 907 (4th ed. 2007).
    • WILLIAM N. ESKRIDGE. JR. ET AL., CASES AND MATERIALS ON LEGISLATION: STATUTES AND THE CREATION OF PUBLIC POLICY 907 (4th ed. 2007).
  • 83
    • 56149089921 scopus 로고    scopus 로고
    • Almendarez-Torres, 523 U.S. at 250 (Scalia, J., dissenting) (quoting United States ex rel. Att'y Gen. v. Del. & Hudson Co., 213 U.S. 366, 408 (1909)).
    • Almendarez-Torres, 523 U.S. at 250 (Scalia, J., dissenting) (quoting United States ex rel. Att'y Gen. v. Del. & Hudson Co., 213 U.S. 366, 408 (1909)).
  • 84
    • 56149101150 scopus 로고    scopus 로고
    • Cf. id. at 260 ([A]ll that I need to establish ... is that on the basis of our jurisprudence to date, the answer to the constitutional question is not clear. It is the Court's burden, on the other hand, to establish that its constitutional answer shines forth clearly from our cases.).
    • Cf. id. at 260 ("[A]ll that I need to establish ... is that on the basis of our jurisprudence to date, the answer to the constitutional question is not clear. It is the Court's burden, on the other hand, to establish that its constitutional answer shines forth clearly from our cases.").
  • 85
    • 56149118393 scopus 로고    scopus 로고
    • In this Note, I focus on the Fourth Amendment in order to treat the issue in depth; the reader should not infer from this that there could not be other serious constitutional concerns. There is a colorable claim that cell phone tracking might restrict movement between states, for example. Cf. Kent v. Dulles, 357 U.S. 116, 126 (1958) (describing freedom of movement as basic in our scheme of values); Paul v. Virginia, 75 U.S. 168, 180 (1868), overruled in part by United States v. Se. Underwriters Ass'n, 322 U.S. 533 (1944) (holding that Constitution ensures free egress and ingress between states).
    • In this Note, I focus on the Fourth Amendment in order to treat the issue in depth; the reader should not infer from this that there could not be other serious constitutional concerns. There is a colorable claim that cell phone tracking might restrict movement between states, for example. Cf. Kent v. Dulles, 357 U.S. 116, 126 (1958) (describing freedom of movement as "basic in our scheme of values"); Paul v. Virginia, 75 U.S. 168, 180 (1868), overruled in part by United States v. Se. Underwriters Ass'n, 322 U.S. 533 (1944) (holding that Constitution ensures free egress and ingress between states).
  • 87
    • 56149127741 scopus 로고    scopus 로고
    • In re Application of the United States for an Order Authorizing the Disclosure of Prospective Cell Site Info. (Adelman Opinion), No. 06-MISC-004, 2006 WL 2871743, at *5 n.6 (E.D. Wis. Oct. 6, 2006) (noting it is doubtful that the government's use of cell site information to track a suspect implicates the Fourth Amendment).
    • In re Application of the United States for an Order Authorizing the Disclosure of Prospective Cell Site Info. (Adelman Opinion), No. 06-MISC-004, 2006 WL 2871743, at *5 n.6 (E.D. Wis. Oct. 6, 2006) (noting it is "doubtful that the government's use of cell site information to track a suspect implicates the Fourth Amendment").
  • 90
    • 56149084846 scopus 로고    scopus 로고
    • OXFORD ENGLISH DICTIONARY 804 (2d ed. 1989) (defining search as examination or scrutiny for the purpose of finding a person or thing).
    • OXFORD ENGLISH DICTIONARY 804 (2d ed. 1989) (defining "search" as "examination or scrutiny for the purpose of finding a person or thing").
  • 91
    • 56149103897 scopus 로고    scopus 로고
    • 389 U.S. 347 1967
    • 389 U.S. 347 (1967).
  • 92
    • 56149094125 scopus 로고    scopus 로고
    • Id. at 361 (Harlan, J., concurring).
    • Id. at 361 (Harlan, J., concurring).
  • 93
    • 0005010366 scopus 로고
    • Perspectives on the Fourth Amendment, 58
    • Though beyond the scope of this Note, Professor Amsterdam's objection seems irrefutable
    • Anthony G. Amsterdam, Perspectives on the Fourth Amendment, 58 MINN. L. REV. 349, 384 (1974). Though beyond the scope of this Note, Professor Amsterdam's objection seems irrefutable.
    • (1974) MINN. L. REV , vol.349 , pp. 384
    • Amsterdam, A.G.1
  • 94
    • 56149117609 scopus 로고    scopus 로고
    • See Minnesota v. Carter, 525 U.S. 83, 97 (1998) (Scalia, J., concurring) ([Katz's 'reasonable expectations'] bear an uncanny resemblance to those expectations of privacy that this Court considers reasonable.).
    • See Minnesota v. Carter, 525 U.S. 83, 97 (1998) (Scalia, J., concurring) ("[Katz's 'reasonable expectations'] bear an uncanny resemblance to those expectations of privacy that this Court considers reasonable.").
  • 95
    • 56149122523 scopus 로고    scopus 로고
    • 442 U.S. 735 1979
    • 442 U.S. 735 (1979).
  • 96
    • 56149115055 scopus 로고    scopus 로고
    • Id. at 745-46
    • Id. at 745-46.
  • 97
    • 56149085735 scopus 로고    scopus 로고
    • Id. at 737
    • Id. at 737.
  • 98
    • 56149124172 scopus 로고    scopus 로고
    • Id. at 742, 745-46 (emphasis added).
    • Id. at 742, 745-46 (emphasis added).
  • 99
    • 56049128298 scopus 로고    scopus 로고
    • See id. at 745-46 (We therefore conclude that petitioner in all probability entertained no actual expectation of privacy in the phone numbers he dialed, and that, even if he did, his expectation was not 'legitimate.' The installation and use of a pen register, consequently, was not a 'search,' and no warrant was required.).
    • See id. at 745-46 ("We therefore conclude that petitioner in all probability entertained no actual expectation of privacy in the phone numbers he dialed, and that, even if he did, his expectation was not 'legitimate.' The installation and use of a pen register, consequently, was not a 'search,' and no warrant was required.").
  • 100
    • 56149117151 scopus 로고    scopus 로고
    • Id. at 742
    • Id. at 742.
  • 101
    • 56149086852 scopus 로고    scopus 로고
    • See, e.g., Orin Kerr, No Fourth Amendment Protection in E-mail Addresses, IP Addresses, Ninth Circuit Holds, THE VOLOKH CONSPIRACY, http://www.volokh.com/posts/chain_1184933802.shtml (July 6, 2007, 18:27 EST). It is also generally agreed that the content of those messages is protected except upon procurement of a Title III order. Id.
    • See, e.g., Orin Kerr, No Fourth Amendment Protection in E-mail Addresses, IP Addresses, Ninth Circuit Holds, THE VOLOKH CONSPIRACY, http://www.volokh.com/posts/chain_1184933802.shtml (July 6, 2007, 18:27 EST). It is also generally agreed that the content of those messages is protected except upon procurement of a Title III order. Id.
  • 102
    • 56149090882 scopus 로고    scopus 로고
    • 495 F.3d 1041 (9th Cir. 2007).
    • 495 F.3d 1041 (9th Cir. 2007).
  • 103
    • 56149107508 scopus 로고    scopus 로고
    • at
    • Id. at 1048-50.
  • 104
    • 56149097631 scopus 로고    scopus 로고
    • See supra Part II.A.
    • See supra Part II.A.
  • 105
    • 56149110379 scopus 로고    scopus 로고
    • Smith, 442 U.S. at 743-44.
    • Smith, 442 U.S. at 743-44.
  • 106
    • 56149117919 scopus 로고    scopus 로고
    • See, e.g., United States v. Miller, 425 U.S. 435, 442-43 (1976) (holding that information voluntarily given to banks is not protected by Fourth Amendment); Couch v. United States, 409 U.S. 322, 335-36 (1973) (holding that information knowingly given to accountant is not constitutionally protected); United States v. White, 401 U.S. 745, 752 (1971) (holding that conversations voluntarily transmitted by one party to police are not constitutionally protected); Hoffa v. United States, 385 U.S. 293, 302-03 (1966) (holding that conversation recounted to police by government informant is not constitutionally protected); Lopez v. United States, 373 U.S. 427, 438 (1963) (holding that conversations voluntarily recounted by one party to police are not constitutionally protected).
    • See, e.g., United States v. Miller, 425 U.S. 435, 442-43 (1976) (holding that information voluntarily given to banks is not protected by Fourth Amendment); Couch v. United States, 409 U.S. 322, 335-36 (1973) (holding that information knowingly given to accountant is not constitutionally protected); United States v. White, 401 U.S. 745, 752 (1971) (holding that conversations voluntarily transmitted by one party to police are not constitutionally protected); Hoffa v. United States, 385 U.S. 293, 302-03 (1966) (holding that conversation recounted to police by government informant is not constitutionally protected); Lopez v. United States, 373 U.S. 427, 438 (1963) (holding that conversations voluntarily recounted by one party to police are not constitutionally protected).
  • 107
    • 56149124894 scopus 로고    scopus 로고
    • 425 U.S. at 442
    • 425 U.S. at 442.
  • 108
    • 56149105148 scopus 로고    scopus 로고
    • Id. at 443 (citation omitted).
    • Id. at 443 (citation omitted).
  • 109
    • 56149083692 scopus 로고    scopus 로고
    • See, e.g., Smith v. Maryland, 442 U.S. 735, 746-47 (1979) (Stewart, J., dissenting); Katz v. United States, 389 U.S. 347, 353 (1967) (holding that wiretapping public phone is Fourth Amendment search) The telephone conversation itself must be electronically transmitted .. . and may be recorded or overheard .... Yet we have squarely held that the user of even a public telephone is entitled 'to assume that the words he utters into the mouthpiece will not be broadcast to the world.'
    • See, e.g., Smith v. Maryland, 442 U.S. 735, 746-47 (1979) (Stewart, J., dissenting); Katz v. United States, 389 U.S. 347, 353 (1967) (holding that wiretapping public phone is Fourth Amendment search) ("The telephone conversation itself must be electronically transmitted .. . and may be recorded or overheard .... Yet we have squarely held that the user of even a public telephone is entitled 'to assume that the words he utters into the mouthpiece will not be broadcast to the world.'"
  • 110
    • 56149111311 scopus 로고    scopus 로고
    • (quoting Katz, 389 U.S. at 352)).
    • (quoting Katz, 389 U.S. at 352)).
  • 111
    • 56149104377 scopus 로고    scopus 로고
    • Smith, 442 U.S. at 746-47 (1979)
    • Smith, 442 U.S. at 746-47 (1979)
  • 112
    • 56149100440 scopus 로고    scopus 로고
    • (Stewart, J., dissenting) (quoting Katz, 389 U.S. at 352).
    • (Stewart, J., dissenting) (quoting Katz, 389 U.S. at 352).
  • 113
    • 56149118150 scopus 로고    scopus 로고
    • 460 U.S. 276 1983
    • 460 U.S. 276 (1983).
  • 114
    • 56149111957 scopus 로고    scopus 로고
    • 468 U.S. 705 1984
    • 468 U.S. 705 (1984).
  • 115
    • 56149094590 scopus 로고    scopus 로고
    • In Knotts, the Court held that it was not a search to use a beeper since it revealed only information that someone could observe from the public. [H]e voluntarily conveyed to anyone who wanted to look the fact that he was traveling over particular roads in a particular direction, the fact of whatever stops he made, and the fact of his final destination when he exited from public roads onto private property. 460 U.S. at 281-82. In Karo, when the beeper was used to track items on private property that police could not have observed from outside the house, the Court held that it was a Fourth Amendment search. 468 U.S. at 715.
    • In Knotts, the Court held that it was not a search to use a beeper since it revealed only information that someone could observe from the public. "[H]e voluntarily conveyed to anyone who wanted to look the fact that he was traveling over particular roads in a particular direction, the fact of whatever stops he made, and the fact of his final destination when he exited from public roads onto private property." 460 U.S. at 281-82. In Karo, when the beeper was used to track items on private property that police could not have observed from outside the house, the Court held that it was a Fourth Amendment search. 468 U.S. at 715.
  • 116
    • 56149113640 scopus 로고    scopus 로고
    • Kyllo v. United States, 533 U.S. 27, 38 (2001) (discussing intimate details that can be revealed by certain intrusive searches).
    • Kyllo v. United States, 533 U.S. 27, 38 (2001) (discussing intimate details that can be revealed by certain intrusive searches).
  • 117
    • 56149113404 scopus 로고    scopus 로고
    • United States v. Berry, 300 F. Supp. 2d 366, 368 (D. Md. 2004).
    • United States v. Berry, 300 F. Supp. 2d 366, 368 (D. Md. 2004).
  • 119
    • 56149092274 scopus 로고    scopus 로고
    • U.S. CONST. amend. IV.
    • U.S. CONST. amend. IV.
  • 120
    • 56149127002 scopus 로고    scopus 로고
    • Kyllo, 533 U.S. at 42-43 (Stevens, J., dissenting).
    • Kyllo, 533 U.S. at 42-43 (Stevens, J., dissenting).
  • 121
    • 56149109196 scopus 로고    scopus 로고
    • Id. at 35 n.2 (majority opinion) (citation omitted).
    • Id. at 35 n.2 (majority opinion) (citation omitted).
  • 122
    • 56149098389 scopus 로고    scopus 로고
    • Cf. United States v. Chadwick, 433 U.S. 1, 11 (1977) (holding that search warrant is required to search footlocker even if police have probable cause to believe that it contains contraband).
    • Cf. United States v. Chadwick, 433 U.S. 1, 11 (1977) (holding that search warrant is required to search footlocker even if police have probable cause to believe that it contains contraband).
  • 123
    • 56149102502 scopus 로고    scopus 로고
    • Kyllo, 533 U.S. at 35 n.2.
    • Kyllo, 533 U.S. at 35 n.2.
  • 124
    • 56149099737 scopus 로고    scopus 로고
    • Doubters of this proposition should recall that, with a warrant, the police can do far more intrusive things than simply monitor a person's location. For example, with a warrant, the police could strip search a child. Doe v. Groody, 361 F.3d 232, 238 (3d Cir. 2004) (suggesting in dicta that search warrant could authorize said search).
    • Doubters of this proposition should recall that, with a warrant, the police can do far more intrusive things than simply monitor a person's location. For example, with a warrant, the police could strip search a child. Doe v. Groody, 361 F.3d 232, 238 (3d Cir. 2004) (suggesting in dicta that search warrant could authorize said search).
  • 125
    • 56149124656 scopus 로고    scopus 로고
    • Katz v. United States, 389 U.S. 347, 357 (1967) (footnote omitted).
    • Katz v. United States, 389 U.S. 347, 357 (1967) (footnote omitted).
  • 126
    • 56149124412 scopus 로고    scopus 로고
    • Mincey v. Arizona, 437 U.S. 385, 390 (1978).
    • Mincey v. Arizona, 437 U.S. 385, 390 (1978).
  • 127
    • 56149093668 scopus 로고    scopus 로고
    • The most vocal critic of the current approach is Justice Scalia. According to him, the Court has lurched back and forth between imposing a categorical warrant requirement and looking to reasonableness alone. California v. Acevedo, 500 U.S. 565, 582 (1991) (Scalia, J., concurring). The result is that the warrant requirement has become so riddled with exceptions that it [is] basically unrecognizable. Id.
    • The most vocal critic of the current approach is Justice Scalia. According to him, the Court has "lurched back and forth between imposing a categorical warrant requirement and looking to reasonableness alone." California v. Acevedo, 500 U.S. 565, 582 (1991) (Scalia, J., concurring). The result is that the warrant requirement has become "so riddled with exceptions that it [is] basically unrecognizable." Id.
  • 128
    • 56149111737 scopus 로고    scopus 로고
    • United States v. Watson, 423 U.S. 411, 423-24 (1976).
    • United States v. Watson, 423 U.S. 411, 423-24 (1976).
  • 129
    • 56149104614 scopus 로고    scopus 로고
    • Terry v. Ohio, 392 U.S. 1, 27 (1968).
    • Terry v. Ohio, 392 U.S. 1, 27 (1968).
  • 130
    • 56149110378 scopus 로고    scopus 로고
    • United States v. Robinson, 414 U.S. 218, 235 (1973).
    • United States v. Robinson, 414 U.S. 218, 235 (1973).
  • 131
    • 56149119806 scopus 로고    scopus 로고
    • See Warden v. Hayden, 387 U.S. 294, 298-99 (1967) (The Fourth Amendment does not require police officers to delay in the course of an investigation if to do so would gravely endanger their lives or the lives of others.).
    • See Warden v. Hayden, 387 U.S. 294, 298-99 (1967) ("The Fourth Amendment does not require police officers to delay in the course of an investigation if to do so would gravely endanger their lives or the lives of others.").
  • 132
    • 56149088062 scopus 로고    scopus 로고
    • Of course, it is always possible that a court might decide to engage in Fourth Amendment reasonableness analysis and forgo the use of its ordinary presumption of unreasonableness. Cf. Terry, 392 U.S. at 20-27 applying reasonableness analysis to uphold warrantless stop-and-frisk searches, However, the reasonableness inquiry would itself be a major and novel question of constitutional law, exactly the sort of thing the canon of constitutional doubt counsels against except when unavoidable. Thus, the outcome of a free-floating, no-presumptions inquiry into the reasonableness of cell phone tracking is beyond the scope of this Note; it's only necessary that the reader believe such an inquiry would constitute a major question of constitutional law
    • Of course, it is always possible that a court might decide to engage in Fourth Amendment "reasonableness" analysis and forgo the use of its ordinary presumption of unreasonableness. Cf. Terry, 392 U.S. at 20-27 (applying "reasonableness" analysis to uphold warrantless stop-and-frisk searches). However, the "reasonableness" inquiry would itself be a major and novel question of constitutional law - exactly the sort of thing the canon of constitutional doubt counsels against except when unavoidable. Thus, the outcome of a free-floating, no-presumptions inquiry into the reasonableness of cell phone tracking is beyond the scope of this Note; it's only necessary that the reader believe such an inquiry would constitute a major question of constitutional law.
  • 133
    • 56149121815 scopus 로고    scopus 로고
    • See FED. R. CRIM. P. 41(d)(1); see also supra note 64 and accompanying text (describing contents and requirements of Federal Rule of Criminal Procedure 41).
    • See FED. R. CRIM. P. 41(d)(1); see also supra note 64 and accompanying text (describing contents and requirements of Federal Rule of Criminal Procedure 41).
  • 134
    • 56149118392 scopus 로고    scopus 로고
    • Though the Smith Opinion mentions the issue in passing, it is not essential to the holding. In re Application of the United States for an Order Authorizing (1) Installation & Use of a Pen Register & Trap & Trace Device or Process, 2) Access to Customer Records, & (3) Cell Phone Tracking (Smith Opinion, 441 F. Supp. 2d 816, 836-37 S.D. Tex. 2006
    • Though the Smith Opinion mentions the issue in passing, it is not essential to the holding. In re Application of the United States for an Order Authorizing (1) Installation & Use of a Pen Register & Trap & Trace Device or Process, (2) Access to Customer Records, & (3) Cell Phone Tracking (Smith Opinion), 441 F. Supp. 2d 816, 836-37 (S.D. Tex. 2006).
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    • See, e.g., Kevin McLaughlin, Note, The Fourth Amendment and Cell Phone Location Tracking: Where Are We?, 29 HASTINGS COMM. & ENT. L.J. 421 (2007) (arguing for a major decision of constitutional law without mentioning avoidance doctrine).
    • See, e.g., Kevin McLaughlin, Note, The Fourth Amendment and Cell Phone Location Tracking: Where Are We?, 29 HASTINGS COMM. & ENT. L.J. 421 (2007) (arguing for a major decision of constitutional law without mentioning avoidance doctrine).
  • 136
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    • RICHARD A. POSNER, THE FEDERAL COURTS: CRISIS AND REFORM 285 (1985).
    • RICHARD A. POSNER, THE FEDERAL COURTS: CRISIS AND REFORM 285 (1985).
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    • Mr. Justice Frankfurter and the Reading of Statutes, in
    • Henry J. Friendly, Mr. Justice Frankfurter and the Reading of Statutes, in BENCHMARKS 196, 211 (1967).
    • (1967) BENCHMARKS , vol.196 , pp. 211
    • Friendly, H.J.1
  • 138
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    • Frederick Schauer, Ashwander Revisited, 1995 SUP. CR. REV. 71, 74.
    • Frederick Schauer, Ashwander Revisited, 1995 SUP. CR. REV. 71, 74.
  • 139
    • 0348050646 scopus 로고    scopus 로고
    • Textualism and the Equity of the Statute, 101
    • For a general discussion of avoidance's place in textualism generally, see
    • For a general discussion of avoidance's place in textualism generally, see John F. Manning, Textualism and the Equity of the Statute, 101 COLUM. L. REV. 1, 119-26 (2001).
    • (2001) COLUM. L. REV , vol.1 , pp. 119-126
    • Manning, J.F.1
  • 140
    • 56149083693 scopus 로고    scopus 로고
    • Pub. Citizen v. U.S. Dep't of Justice, 491 U.S. 440, 481 (Kennedy, J., concurring).
    • Pub. Citizen v. U.S. Dep't of Justice, 491 U.S. 440, 481 (Kennedy, J., concurring).
  • 141
    • 56149112374 scopus 로고    scopus 로고
    • See, e.g., INS v. St. Cyr, 533 U.S. 289, 299-300 (2001) (invoking constitutional avoidance doctrine).
    • See, e.g., INS v. St. Cyr, 533 U.S. 289, 299-300 (2001) (invoking constitutional avoidance doctrine).
  • 142
    • 56149108006 scopus 로고    scopus 로고
    • United States v. Cong. of Indus. Orgs., 335 U.S. 106, 124 (1948) (Frankfurter, J., concurring).
    • United States v. Cong. of Indus. Orgs., 335 U.S. 106, 124 (1948) (Frankfurter, J., concurring).
  • 143
    • 56149108729 scopus 로고    scopus 로고
    • 5 U.S. (1 Cranch) 137 (1803).
    • 5 U.S. (1 Cranch) 137 (1803).
  • 144
    • 56149106796 scopus 로고    scopus 로고
    • Hylton v. United States, 3 U.S. (3 Dall.) 171, 175 (1796).
    • Hylton v. United States, 3 U.S. (3 Dall.) 171, 175 (1796).
  • 145
    • 56149113403 scopus 로고    scopus 로고
    • Edward J. DeBartolo Corp. v. Fla. Gulf Coast Bldg. & Constr. Trades Council, 485 U.S. 568, 575 (1988).
    • Edward J. DeBartolo Corp. v. Fla. Gulf Coast Bldg. & Constr. Trades Council, 485 U.S. 568, 575 (1988).
  • 146
    • 56149085279 scopus 로고    scopus 로고
    • Eldred v. Reno, 239 F.3d 372, 378 (D.C. Cir. 2001).
    • Eldred v. Reno, 239 F.3d 372, 378 (D.C. Cir. 2001).
  • 147
    • 56149098388 scopus 로고    scopus 로고
    • Ex porte Randolph, 20 F. Cas. 242, 254 (C.C.D. Va. 1833) (opinion by Marshall, C.J.).
    • Ex porte Randolph, 20 F. Cas. 242, 254 (C.C.D. Va. 1833) (opinion by Marshall, C.J.).
  • 148
    • 33645815488 scopus 로고    scopus 로고
    • The Core of the Case Against Judicial Review, 115
    • Jeremy Waldron, The Core of the Case Against Judicial Review, 115 YALE L.J. 1346, 1353 (2006).
    • (2006) YALE L.J , vol.1346 , pp. 1353
    • Waldron, J.1
  • 149
    • 56149101554 scopus 로고    scopus 로고
    • E.g., WILLIAM BLACKSTONE, 4 C OMMENTARIES *255-77 (examining criminal procedure in chapter entitled Of Courts of a Criminal Jurisdiction).
    • E.g., WILLIAM BLACKSTONE, 4 C OMMENTARIES *255-77 (examining criminal procedure in chapter entitled "Of Courts of a Criminal Jurisdiction").
  • 150
    • 56149115795 scopus 로고    scopus 로고
    • Warren & Brandeis, supra note 7, at 193
    • Warren & Brandeis, supra note 7, at 193.
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    • Cellphones That Track the Kids
    • Dec. 21, at, available at
    • David Pogue, Cellphones That Track the Kids, N.Y. TIMES, Dec. 21, 2006, at C1, available at http://www.nytimes.com/2006/12/21/ technology/21pogue.html.
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    • Pogue, D.1
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    • Find Friends by Cell Phone
    • Nov. 14, at, available at
    • Ryan Kim, Find Friends by Cell Phone, S.F. CHRON., Nov. 14, 2006, at C1, available at http://sfgate.com/cgi-bin/article.cgi?/f=c/ a/2006/11/14/BUGMMMClKEl.DTL.
    • (2006) S.F. CHRON
    • Kim, R.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.