Policing the police, and studying the impact with actual data.
In the first year after the cameras were introduced here [Rialto, CA] in February 2012, the number of complaints filed against officers fell by 88 percent compared with the previous 12 months. Use of force by officers fell by almost 60 percent over the same period.
In California, a Champion for Police Cameras – NYTimes.com
Rialto, Calif., has become the poster city for using cameras to police the police, backed by data showing that complaints against officers fell by 88 percent after they began wearing the technology in 2012.