In re Telephone Information Needed for a Criminal Investigation

Good Law
119 F. Supp. 3d 1011·2015 WL 4594558·2015 U.S. Dist. LEXIS 99871
United States District Court, Northern District of CaliforniaJuly 29, 2015Case No. 15-XR-90304-HRL-1(LHK)California16,571 words

Opinion

Lead Opinion

Koh, J.

*1013 ORDER AFFIRMING DENIAL OF APPLICATION FOR HISTORICAL CELL SITE LOCATION INFORMATION

[PUBLIC REDACTED VERSION]

Before the Court is the government’s appeal of U.S. Magistrate Judge Howard R. Lloyd’s denial of an application for an order pursuant to 18 U.S.C. § 2703 (d) authorizing the government to obtain historical cell site location information (“CSLI”) associated with [Redacted] target cell phones. ECF No. 4 (“Gov’t Br.”); ECF No. 5 (“Gov’t Supp. Br.”). 1 The Federal Public Defender for the Northern District of California (“Public Defender”), at the Court’s invitation, filed a response. ECF No. 21 (“Opp.”). With the Court’s permission, the American Civil Liberties Union (“ACLU”) and. the Electronic Frontier Foundation (“EFF”) filed amicus briefs in support of the Public Defender. ECF No. 19 (“ACLU Br.”); ECF No. 20 (“EFF Br.”). The government replied. ECF No. 22 (“Gov’t Reply”). Having considered these written submissions, the relevant law, the record in this case, and the oral arguments presented at the June 24, 2015 hearing, the Court hereby AFFIRMS Judge Lloyd’s denial of the government’s application for historical CSLI.

I. BACKGROUND

A. Cell Phone Technology and…

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