http://www.informationliberation.com/?id=41552
Check out the rest of the links on the bottom, too. There's just too much to post individually.
Well, I could post 'em, but that would be a stupid waste of time when you can get 'em on the same website. I tell you again, information liberation is a site you should go to every day at least once to see what new police brutality cases have surfaced. That, and the reddit 'BAD COP NO DONUT'.
http://www.reddit.com/r/Bad_Cop_No_Donut/
'DO COPS SHOOT CAGED GERBILS TOO?'