Unwary crime suspects could be tracked by investigators who had access to their phone location records.

The case involved “geofence” searches, which allow law enforcement to find suspects and witnesses by sweeping up location data from cellphones near crime scenes.

The Supreme Court ruled that police conducted a 'search' of a bank robber's smartphone, but called for a review of whether it ...

Law enforcement officials frequently draw virtual fences around areas of interest and require Google to identify every ...

Kagan insists that the Fourth Amendment cannot be defeated by slicing invasions of privacy into pieces small enough to appear ...