[]u.s police departments have dropped cases that relied on evidence collected by stingrays. Anyways, using Intel to build a case so the Intel and methods aren't exposed is called parallel construction and it should be illegal to do against citizens except in extraordinary circumstances. Certainly not when police departments get bored and use the ray to take down the boys slinging bags on the block.
[] https://www.techdirt.com/articles/20140620/10271327635/new-e...