Data Tens News Today

To each cell tower and each connection leads to digital trai trails. sometimes the police can tells where we have been. police seek that data tens and thousands of times a year. in a 5-4 decision, the supreme court says it is a detailed records of our movements, it nearly turned the phone into an ankle monitor. we expect for it to be private and the police will need a court order to get it. >> we have a solid majority of five justices who recognized these device that is we are carrying around is...

Naturally. a major decision for the supreme court court that impacts all of us who regularly use cell phones. the court says police cant use your phone to track your movement unless they get permission from a judge. pete williams has the story. >> reporter: we are a nation of nearly 400 million cell phones and many of us have more than one. today the supreme court says police must get a search warrant for our phone records to track where we have been. as we move, our phone connects to each cel...