Yeah, the only thing I can think of that could justify the cops reaction is the guy sez something to instigate it and it would need be something like "I got a gun behind my back" or "I'm going grab you and make you me luv puppy" or some other such crap.
Without audio it doesn't give us the whole story but if I was on a jury I would award the Old Guy the Cop's house.
not only a take down in the store but a SECOND take down in the street WHILE handcuffed onto his face
Cope probably needed to establish that “he asked for it” and mark him up a bit