ICE Says It Doesn't Track Down Undocumented Immigrants Using 'Stingray' Devices

Acting head of Immigrations and Customs Enforcement Thomas Homan told Sen. Ron Wyden the agency does not use cell-site simulators--a type of surveillance gear often referred to as a "Stingray" that can track down a specific mobile device by emulating cell phone towers--to locate undocumented immigrants.