United States v. Sanchez-Jara

Easterbrook, Circuit Judge.

Like United States v. Patrick, 842 F.3d 540 (7th Cir. 2016), this appeal concerns the use of a cell-site simulator to locate someone. And like Patrick it does not require us to determine when, if ever, the use of this device must be authorized by a warrant supported by probable cause, for in this case such a warrant was obtained.

The warrant, issued by a federal district judge in July 2015, authorizes federal agents to use pen registers, trap-and-trace devices, historical cell-call records, and "electronic investigative techniques ... to capture and analyze signals…