ACLU Sues Homeland Security For Mobile Location Data Use Files

The American Civil Liberties Union is suing the U.S. Department of Homeland Security and two of its units for records related to their purchase of mobile phone location data for immigration enforcement and other purposes.

“The agencies’ purchases raise serious concerns that they are evading Fourth Amendment protections for cell phone location information by paying for access instead of obtaining a warrant,” the ACLU said in a complaint filed in the U.S. District Court for the Southern District of New York.

Government agencies usually need a warrant to obtain historical mobile phone location data. But bulk information purchased from a ...