What an astounding video; can you imagine something like this ever happening in our country?
Note also that the bad cop who was striking the victim gets away. Meanwhile, the good cop who was trying to stop the bad cop gets beat down. The lesson here is that it's not enough to be a good cop yourself; the blue wall of silence that protects so-called "bad apples" also endangers "good apples". However high and thick that wall is, there will always more of us than them.