Cassidy Crockett-Verba—Senior Attorney
Geofence warrants, which allow law enforcement to acquire an individual’s cell phone location data from Google, have been subject to repeated challenges under the Fourth Amendment’s prohibition against unlawful search and seizure. The U.S. Supreme Court recently addressed the issue, holding in Chatrie v. United States, 609 U.S. ___, 146 S. Ct. 2193 (2026), that geofence warrants are considered searches under the Fourth Amendment, and that law enforcement must obtain a warrant before using them.
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