EFF: Massachusetts Court Blocks Warrantless Access to Real-Time Cell Phone Location Data
Massachusetts Court Blocks Warrantless Access to Real-Time Cell Phone Location Data There’s heartening news for our location privacy out of Massachusetts this week. The Supreme Judicial Court, the state’s highest court, ruled that police access to real-time cell phone location data—whether it comes from a phone company or from technology like a cell site simulator—intrudes on a person’s reasonable expectation of privacy. Absent exigent circumstances, the court held, the police must get a warrant. In Commonwealth of Massachusetts v. Almonor , police had a phone carrier “ping” the cell phone of a suspect in a murder case—surreptitiously accessing GPS functions and causing the phone to send its coordinates back to the phone carrier and the police. This real-time location data pinpointed Mr. Almonor’s phone to a location inside a private home. The state argued it could warrantlessly get cell phone location data to find anyone, anytime, at any place as long as it was less than six hou...