EFF Files Amicus Briefs in Two Important Geofence Search Warrant Cases

Should the police be able to identify everyone who was in a busy metropolitan area, just because a crime occurred there? In two amicus briefs just filed in appellate courts, we argue that’s a clearly unconstitutional search.[1]

The two cases are People v. Meza, in the California Court of Appeal, and United States v. Chatrie, in the federal Fourth Circuit Court of Appeals. In each case, the defendant is challenging the police use of a surveillance tool …

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