Google urges Supreme Court to strike down geofence warrants as unconstitutional

Google filed an amicus brief with the U.S. Supreme Court arguing that geofence warrants — which compel companies to identify all devices present in a geographic area during a time window — violate the Fourth Amendment by indiscriminately exposing sensitive location histories of innocent people; the filing highlights Google's objections to thousands of such warrants and its July 2025 change to store location history on-device.