I have ab Ucle that's a cop. He had one like this. except the guy thought he was a kola in a tree eating bamboo. they got him down with If you come down and put on these special silver braclets we'll take you to a place that has the best bamboo. they got him down out of the tree to the car and to county with no problems. sometimes you have to think outside the box.
His the rook she knows this and is just testing him. It only seems racial because of your pre conceived bias of racism being more prevalent then it actually is.
Or it could have been because he's a rookie fresh outta the academy were he learned about drugs and the signs and symptoms of specific illicit substances.