There's the stuff that you would expect to see at any law enforcement exposition and there's the stuff that seems to have dropped out of a science fiction movie. And all of it has the potential to be important to what you do in contemporary policing.
Law enforcement agencies have been using in-car video cameras for a little more than two decades. The devices have defended officers against nuisance claims of abusive or even brutal behavior. But now some agencies are beginning to ask if in-car video systems have been made obsolete by officer-worn systems.