The Supreme Court ruled unanimously Monday that police violated the Constitution by attaching a GPS-tracking device to a car owned by a Washington, D.C., club owner, eventually leading to a ...

Thousands of drivers in a vast section of Xinjiang, China’s heavily Muslim northwestern region, are being required to install GPS-style tracking devices in their cars after recent bouts of unrest.

Senate Bill 758, which would make using a tracking device without the person's knowledge a felony charge, becomes law Tuesday.