In a significant ruling, the Supreme Court has decided that cellphone users' location history is protected under constitutional privacy provisions. This decision was made in the case of a bank robber who was identified using a geofence warrant. The court's ruling was written by Justice Elena Kagan, with a 6-3 majority in favor.

The decision establishes that individuals do not give up their expectation of privacy when it comes to their cellphone location information. Further details on this ruling can be found through local news sources, such as KPRC 2 and Click2Houston, which provide more information on the Supreme Court's decision and its implications.