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.
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Per Ars Technica, the August 16th letter states ICE Enforcement and Removal Operations “does not use cell-site simulators for the purpose of civil immigration law enforcement.” But he added that ICE’s Homeland Security Investigations division, which targets national security threats and organized crime, uses the devices, though only after receiving a warrant.
Homan also noted that ICE agents sometimes work in joint task forces with other
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