In a major decision on Friday, the federal Fifth Circuit Court of Appeals held that geofence warrants are “categorically prohibited by the Fourth Amendment.” Closely following arguments EFF has made in a number of cases, the court found that geofence warrants constitute the sort of “general,...

"First, it determined that under the Supreme Court’s landmark ruling in Carpenter v. United States, individuals have a reasonable expectation of privacy in the location data implicated by geofence warrants… Second, the court found that even though investigators seek warrants for geofence location data, these searches are inherently unconstitutional… "