The FBI and other police agencies don't need a search warrant to track the locations of Americans' cell phones, a federal appeals court ruled Tuesday in a precedent-setting decision.
In the first decision of its kind, a Philadelphia appeals court agreed with the Obama administration that no search warrant--signed by a judge based on a belief that there was probable cause to suspect criminal activity--was necessary for police to obtain logs showing where a cell phone user had traveled in the past... (more)