Sen. Pat Roberts, R-Kan., is reintroducing the Kelsey Smith Act this week, a bill that would have wireless carriers ping the mobile devices of subscribers believed to be in danger and send their location information to law enforcement. […]

Members of Congress are working to pass the Kelsey Smith Act, which would give law enforcement access to phone location data in some emergency situations, despite claims from privacy groups that the law could be abused. […]