Everyone needs a sammich and a hug.
Seriously, do I have to die before it stops? Do my friends who are police officers? my uncle who is retired police? My dad who was an MP?
One way to prevent police brutality, don't break the law. When you do shut up, get a lawyer, and fight legally not physically.
I know it is much deeper, but it will never stop, you give them a dollar they want 2, you give them 2, they ask why not 4.
I am off to the kitchen...