Just the mere knowledge that anything he does that COULD wind up in such a civil case, would absolutely be reviewed video and audibly, should be enough to curb such behavior. Police aren't stupid.
Police aren’t stupid.
That would be better if you had said, “Most Police aren’t stupid.” Most police will walk away from a serious scuffle and come back with some big guys who like to tussle with idiot suspects. There’s always the young and dumb ones who haven’t yet learned the smart way of doing things. They are the ones who I hope cameras will push out of law enforcement.