At most , the GPS data tells us that someone drove a car to certain places . Should law enforcement need a warrant before planting a GPS tracking device on a car ? No , the Supreme Court ought to decide that they should not , says Amitai Kaplan . In this case , our need for security outweighs privacy concerns , he says . Cops have already been tracking cars in public places for a while , Etzioni says .
Should law enforcement need a warrant before planting a GPS tracking device on a car ? No , the Supreme Court ought to decide that they should not , says Amitai Kaplan . In this case , our need for security outweighs privacy concerns , he says . Cops have already been tracking cars in public places for a while , Etzioni says .