It seems like grist for a high-tech thriller: Police hide a paperback-sized satellite tracking device in a suspect's car, then wait for him to lead them to the shallow grave where he buried his victim...
In a first-in-the-nation case, the state's high court heard arguments Tuesday on whether authorities had sufficient grounds to install the GPS tracker.
Full Story: http://www.wired.com/news/privacy/0,1848,58948,00.html

If the judge issued the warrant, he must not have seen any problems with its legality. If it is unconstitutional, I think the judge would have denied the search warrant application, or made the sherriffs amend it.

my $.02

Any thoughts?