history: I used to think cops were the good guys.  But these days whenever I hear news about a police officer shooting an innocent civilian my faith in the law diminishes I used to have faith in cops.  But whenever I hear about an unarmed civilian shooting or police brutality I lose faith in the law I do understand what you are saying. There are good cops and bad cops.
current: Yes it depends where you live
next: And sometimes it has to do with race, it is really a sad situation.