Privacy and law enforcement clash as the Supreme Court wrestles with 'geofence' warrants

The U.S. Supreme Court Heather Diehl/Getty Images hide caption toggle caption Heather Diehl/Getty Images The U.S. Supreme Court seemed divided Monday on the question of geofencing, a relatively new and powerful tool that allows police to tap into giant tech databases in order to find out who was in the vicinity of a crime scene. …