Much of the litigation over geofencing has been under the Fourth Amendment in criminal cases, and there has been a lot of it. See, e.g., Certiorari Petition to U.S. Supreme Court in 4th Circuit Geofence Decision – E-Discovery LLC (Aug. 5, 2025); Alvarez v. State, 2025 WL 2346165, at *4 (Tex. App. Au