Researchers have made some remarkable progress on artificial “noses” that could replace the use of dogs.
I do not believe that any element of the state security apparatus in the United States, because this is the last thing that they want.
Instead, they want Clever Hans,* which is to say an animal that they can cue in a subtle manner in order to confirm their own biases.
When a cop pulls over someone for driving while black, the last thing that he wants is a device which will provide a fair and unbiased review of the evidence, said peace officer just wants to bust an, “uppity n****r.”
*Wikipedia has the skinny on the horse, “Clever Hans (in German: der Kluge Hans) was an Orlov Trotter horse that was claimed to have performed arithmetic and other intellectual tasks.” The horse was actually reading the body language of his trainer without his knowledge.