What I saw was a bunch of mouthy teenagers dispersing, albeit a little slower than might be required for some of the people here grasping at straws trying to justify the Napoleanic police's actions. The eleven other officers seemed to have had no problem with the pace of the dispersement.....only the cop running around acting like a maniac throwing people to the ground when he showed up completely out of control. It is just as likely that the situation would have resolved itself peacefully and without further incident without the heavy handed tactics of that rabid animal given time.
Now that the cowardly cop has turned in his two word (I resign) notice in the face of the negative backlash from his actions even from his law enforcement brethren, it's time to find another boogieman as a way of justifying heavy handed police behavior. Criminals and knucklehead are going to do what criminals and knuckleheads do. That seems a weak reason to try and justify or even tolerate police acting criminally under the guise of protecting the neighborhood.