It’s been some time since Immigration and Customs Enforcement (ICE) has been seen using a tool known as a Stingray, or a cell-site simulator, in its attempts to find and remove undocumented immigrants. The tool tricks a phone into thinking it’s a cell tower, and when a suspect’s device connects, the cops can trace its location. Its use is controversial because anyone in the same area as the target is at risk of having their information exposed.