In Royal Oak MI the parking lot owner has to sign an agreement with the local PD to "allow" them to watch their lot, which means write tickets, which means $$$$. The owner who explained it to us said he didn't understand the practical result of signing the paper was the parking officer would come by and write out tickets then leave. What he wanted was help with the valets who took over his lot without permission then flatly refused to leave. They blocked him from his own trucks. The night we learned this was shortly after he had signed. The valets were running back and forth, we parked there and got ticketed along with all of the valet parked cars. I've always wondered that the valets threw the tickets in the trash before returning the poor persons car. Anyway neither here nor there.
One other point is if someone damaged your car, say pushed a wagon into it while you were stopped at that stop sign would that officer become involved?