Does law enforcement need a warrant before planting a GPS tracking device on a car ? Yes , the Supreme Court has to decide that they should , says Catherine Crump . The privacy at stake in a current case may well violate our privacy rights , she says . All of us can already easily be tracked through our cell phones , Crump says .
Should law enforcement need a warrant before planting a GPS tracking device on a car ? Yes , the Supreme Court ought to decide that they should , says Catherine Crump . The principle at stake in a current case may well shape our privacy rights , she says . All of us can already easily be tracked through our cell phones , Crump says .