The U.S. Supreme Court on Monday limited the law enforcement use of “geofence” search warrants, in a major legal ruling that is likely to have broad ramifications for privacy rights and law enforcement across the United States. In the 6-3 ruling, the U.S. top court said that “an individual has a reasonable expectation of privacy in his cell-phone location information.” According to the court, that means people have privacy rights when it comes to the location history collected by their phones, a...