I don't know. Since the advent of cameras we've caught a lot of cops beating the hell out of citizens. It probably happened a lot more before cameras. And then you'd catch a charge for resisting instead of the payout today.
Let's play this out: Cops don't exist. On video, you catch a person beating the hell out of a citizen.
...
Welp, sucks to get the shit beaten out of you, better luck next time.
Let's play this out: Cops don't exist. On video, you catch a person beating the hell out of a citizen.
...
...
...
Welp, sucks to get the shit beaten out of you, better luck next time.