I agree wholeheartedly. Pilot programs, while not definitive, have shown drastic reductions in complaints against officers, as well as use of force:
http://www.nytimes.com/2013/04/07/business/wearable-video-ca...
http://www.nytimes.com/2013/04/07/business/wearable-video-ca...
Of course, if these tapes get conveniently "lost" that presents another set of problems.