In this photo from Thursday, June 16, 2011, Oakland Police officer Huy Nguyen shows a video camera worn by some officers in Oakland, Calif. Oakland and dozens of other police departments across the country are equipping officers with tiny body cameras to record anything from a traffic stop to a hot vehicle pursuit to a violent crime in progress. The mini cameras have even spawned a new cable reality TV series, showing using video in Cincinnati, Chattanooga and Fort Smith, Ark. (AP Photo/Jeff Chiu)