Seems they were in use for about 15 years -before- cellphones became a thing. (See '2009 Utah case' here: https://www.wired.com/2014/03/stingray/ https://www.w

Seems they were in use for about 15 years -before- cellphones became a thing. (See '2009 Utah case' here: https://www.wired.com/2014/03/stingray/ https://www.wired.com/2014/03/stingray/ )