Advice to Officers After Graham

As I discussed here, the Fourth Circuit recently ruled in United States v. Graham, __ F.3d __, 2015 WL 4637931 (4th Cir. Aug. 5, 2015), that an officer who obtained two suspects’ cell site location information (CSLI) without a search warrant violated the Fourth Amendment. (The officer used a court order based on a lower standard, as purportedly authorized by the relevant federal statute, 18 U.S.C. § 2703(d).) I’ve had a number of practical questions about Graham from officers, agency attorneys, and judges, and I thought that I would collect some of the questions here.

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