Some criminals use the camera to sucker good officers. Hide in a alley and edit the tape after the fact. They do not always show that the guy spit on you or other things like that. I have dealt with some like this. The tape in your cruiser cannot be edited and shows what truly happened. The Rodney King tape classic example. Fox showed the tape first and no one got mad because it was not edited. The liberal news edited it to cause public rage. I have had to prove my inoccence after the fact with my dash cam tape. Females with claim sexual assault and various things and it is costly. Dash cams keep officers inline. People trying to antagonize officers with cameras or sucker plays usually do not get charged it was just a misunderstanding is what defense attorneys will say. That is why some prosecutors pizz off officers. They should prosecute those that file false charges on officers. Second it is a safety issue. If I am trying to make sure what the criminal is doing and then blind sided by his friend that is just holding a camera. Classic sucker game. Distract you with a camera and then you are laying in a pool of blood wondering what the hell happened.