While cameras will never be the whole story, it does not hurt to have an additional piece of evidence. Something I noticed while watching the videos was that the wearer of the camera did not even have it properly strapped down, so it was flapping all over the place attached to a t-shirt making the video even worse (which is what the makers of these videos wanted). I think if the camera was properly secured to a normal police uniform or vest it would be much clearer what is going on.