I think the bias of this article against the cameras is obvious. I never thought the purpose of body cams were to improve police behaviour by some psychologica

I think the bias of this article against the cameras is obvious. I never thought the purpose of body cams were to improve police behaviour by some psychological effect (though a great benefit if it does), but to provide a record of what actually happened. They are also about protecting officers when they use force that is justified, or other situations where the need to defend their actions.