There was a curfew on.
He was breaking the law.
He approached the cops too closely.
F*ck him.

Im sure you're a real tough guy around 75 year old dudes.
So just arrest him. It is the cop's job to enforce, not punish.
This.
Getbiggers if anything are consistent. Break the law, you're lucky to be alive. It doesn't matter if you're black or white.
Unless you're speeding. Or using illegal anabolics.
But online its all alphas.
Another old Snowflake detected 
Worry about what ever country is proud to call you a citizen before you get involved in American issues Titsona Knight.