This is an update of the GPS tracking by the police. The arguments were made to the supreme court and Justice Breyer made some good points in his questions and it almost looks as if the tracking without a warrent will not fly.
“….”If you win this case, then there is nothing to prevent the police or the government from monitoring 24 hours a day the public movement of every citizen of the United States,” Breyer said. “So if you win, you suddenly produce what sounds like 1984 from their brief……”
However, the point that is not emphasized: “Police suspected D.C. nightclub owner Antoine Jones of dealing cocaine and used a GPS tracker over the course of a month to trace his movements to a stash house in Maryland. Their warrant was expired when they installed the tracker…”