To me, this article proved that body-camera evidence is extremely valuable, you just have to be methodical when interpreting it. I watched the videos carefully, frame-by-frame, and only made one error (I didn't identify the taser in one of the videos). Re-watching that video while knowing what I was looking for (as I would if comparing testimonies), it was easy to see that was what had happened. I see how someone who wasn't really thinking about it would be fooled, but if you think about what the videos show, they're excellent data.
In the first one - the camera was bouncing around a lot, and the main question was whether the guy was punching the guy wearing the camera. I looked at the angle his arms were at in still frames, and concluded that they couldn't be punches. The same works for both angles of the traffic stop video: you have to pause and think through some geometry, but you can figure out that the officer and suspect don't touch with reasonably high confidence.
In the first one - the camera was bouncing around a lot, and the main question was whether the guy was punching the guy wearing the camera. I looked at the angle his arms were at in still frames, and concluded that they couldn't be punches. The same works for both angles of the traffic stop video: you have to pause and think through some geometry, but you can figure out that the officer and suspect don't touch with reasonably high confidence.