250 words In the Supreme Court held that vehicles were held to a lesser standard of Fourth Amendment protection stating that a warrant wasnt required. Then, in , the Court established the right to privacy as a defense against warrantless searches. Fast forward 45 years after the decision and we have the case. This case was an appeal from the District of Columbia Circuit Court of Appeals that went on to the Supreme Court, on the issue of whether a warrant is needed to attach a GPS tracking device to a vehicle.