StingRay

Albuquerque Police: Spy Tech Too Secret To Confirm We Have It

International Mobile Subscriber Identity catchers — also known as cell-site catchers or Stingrays — simulate cell phone towers, pulling in all cellphone use within a certain distance.
ALBUQUERQUE  — The ACLU sued Albuquerque for information on how its police use Stingray cellphone spying technology, and whether they use it for immigration enforcement, but Albuquerque claims all such records are confidential — including whether they use Stingrays at all.