U.S. Supreme Court justices put a stop on the warrantless use of GPS tracking devices by police on suspects’ vehicles calling it a violation of privacy rights protected by the Fourth Amendment.  The ruling was unanimous, but the court split 5-4 over the reasoning, suggesting that differences remain over application of the ban on unreasonable searches, according to a WSJ story.

A copy of the ruling can be found here.  For some in-depth analysis read Tom Goldstein’s post at scotusblog.com.