a couple of things, we have no idea what was going on from the story or how things played out. 2. Cops on scene, hear a gun shot, see a man fleeing, they are going to disarm you. Maybe for a few mins, maybe take it with them. It depends on alot of things. 3 where did the warning shot go? If he fired up in the air, that is recless endangerment, Under Or law. 4 warning shots are always a bad idea.