A federal judge in Los Angeles has issued a preliminary injunction sharply limiting when immigration officers may conduct warrantless civil immigration arrests in Southern California. The order bars federal agents from making those arrests without a warrant unless they first determine that the person is likely to escape before a warrant can be obtained.

The ruling, issued by U.S. District Judge Maame Ewusi-Mensah Frimpong in the Central District of California, is a significant development in the ongoing fight over the scope of federal immigration enforcement.

The Pennsylvania Supreme Court has issued a significant state constitutional ruling, unanimously holding that Article I, Section 8 of the Pennsylvania Constitution protects private landowners from warrantless searches of posted private property. In doing so, the court rejected the federal “open fields” doctrine as a matter of Pennsylvania law, marking an important divergence from federal search-and-seizure doctrine.

The “open fields” doctrine, recognized under the Fourth Amendment, has long allowed law enforcement to enter and inspect certain land outside the home and its immediate surroundings without a warrant.

The U.S. Supreme Court’s June 29, 2026 action in the Okello Chatrie geofence dispute is already being viewed as a major privacy ruling for the digital age. By holding that constitutional privacy protections extend to cellphone location data gathered through geofence-style investigative methods, the Court placed meaningful Fourth Amendment limits on one of law enforcement’s most controversial modern tools.

The case arises from a technique that allows investigators to seek location data for every device found within a defined geographic area during a set time window, often sweeping in information about many people not initially suspected of wrongdoing.