Writing for the 6-3 majority, Justice Elena Kagan said that the technique, known as geofencing, violates the Fourth Amendment's prohibition against unreasonable searches.

Updated on June 29 at 3:50 p.m. The Supreme Court on Monday ruled that when law enforcement officials used a “geofence warrant” – a warrant that instructed Google to provide location data for ...

The Law School’s Jenner & Block Supreme Court and Appellate Clinic helped secure a landmark win in Chatrie v. United States, a US Supreme Court case holding that a person has a reasonable expectation ...

Law enforcement officials frequently draw virtual fences around areas of interest and require Google to identify every cellphone in the area using cell location history. Dubbed a “geofence search,” ...

Last week the U.S. Supreme Court put up an important guardrail on the practice. It held that the government needs a warrant ...

WASHINGTON (AP) — The Supreme Court on Monday seemed inclined to rule that police could use geofence warrants that collect the location history of cellphone users to find people near crime scenes. The ...

The Fourth Amendment protects a user’s “location history,” the Supreme Court ruled Monday. The same logic already applied to a cellphone’s tracking, and the high court found “no good reason exists to ...