Well, the most widely publicized would be the one where the FBI agent shot the kid in the face.
Okay; I have no memory of that, but I thought of another case (Diallo). In that instance, I believe the police were justified, even though the man was totally innocent.
Think about it. How many times per day do you suppose someone is approached by a cop? Easily thousands. How many times per day do completely innocent, unarmed people get shot and killed by officers?
This hysterical idea that it's some sort of epidemic and that rogue cops are everywhere is really weird, in my opinion.