The second video is bad police work and the guy is being punished as you and Zito like to claim nothing ever happens.
Here is an interesting list:
http://gawker.com/unarmed-people-of-...349/+tcraggs22
Many of the officers involved in these incidents were arrested. Many of these were certainly justifiable based on the descriptions. (I certainly wouldn't claim someone pointing a BB gun around as unarmed; how would anyone know it was fake). Many of the cases were suspects resisting arrests.