g control and baton instructor/contra costa county sheriff's office law enforcement training center: "no! the officer did what he was trained to do"i came to the contra costa county sheriff's office training center in pittsburg to get some perspective on last friday's arrest of dejuan hall in the city of vallejo. i showed the video to head arresting control and baton instructor here don cameron, who has trained bay area law enforcement officers for the past 49-years...his thoughts about the vallejo police officer tackling hall while he was in a sitting position on the media?don cameron/arrestin g control and baton instructor/contra costa county sheriff's office law enforcement training center: "no! the officer did what he was trained to do""i mean if he sat down with his hands up that would be a different story but he didn't. so what the officer needs to do is quickly get him under control because i don't know if he is armed. i don't know if he is doing this to set me up? that has to...