New research shows there’s one big change when cops wear cameras

Cameras worn on police uniforms have been lauded as a possible solution to many of the problems facing officers in the line of duty, from violence against law enforcement to the unnecessary use of force. The US Department of Justice recently announced a plan to spend $20 million on body cameras for cops in 32 states. The cameras are controversial, as all surveillance technology tends to be. And until recently, there’s been little hard evidence about how effective body cameras actually are.

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