Also, having a second recording reduces the possibility of video tampering. ("The video clearly shows the perp had a gun.") http://www.youtube.com/watch?v=z4ob

Also, having a second recording reduces the possibility of video tampering. ("The video clearly shows the perp had a gun.") http://www.youtube.com/watch?v=z4obTZV2QEM http://www.youtube.com/watch?v=z4obTZV2QEM (jump to 1:33)