“Technology companies have for years responded to court orders for specific users’ information. The new warrants go further, suggesting possible suspects and witnesses in the absence of other clues. Often, Google employees said, the company responds to a single warrant with location information on dozens or hundreds of devices.” NYT: Tracking Phones, Google Is a Dragnet for the Police. “The tech giant records people’s locations worldwide. Now, investigators are using it to find suspects and witnesses near crimes, running the risk of snaring the innocent.”