James Comey said he believed that “lots and lots of officers” were not engaging in confrontations with suspects out of fear of being videotaped.

F.B.I. Director Says ‘Viral Video Effect’ Blunts Police Work – The New York Times

If that is his position he is not qualified to lead let alone be emplyed in law enforcement. If cops are afraid to be caught doing something wrong in the course of going abut their job then they should stop doing things wrong, not stop doing their job. Anything else should be grounds for dismissal.