Virginia police routinely use secret GPS pings to track people’s cell phones

A state law passed with little notice in 2015 authorizes the surveillance as long as police first obtain a search warrant from a magistrate or judge, but in practice, the bar for judicial approval isn’t particularly high. Officers simply have to attest in an affidavit that they have probable cause that the tracking data is “relevant to a crime that is being committed or has been committed.”

Read the full story at: Virginia Mercury News.