United States v. Jones (2012)
United States v. Jones, 565 U.S. 400 (2012), was a landmark United States Supreme Court case in which the court held that installing a Global Positioning System (GPS) tracking device on a vehicle and using the device to monitor the vehicle's movements constitutes a search under the Fourth Amendment.
Source: Wikipedia — United States v. Jones (2012) (CC BY-SA 4.0)