"The ironic part is that body cams were a marquee demand of the Black Lives Matter movement. But in practice, they have been a political boomerang. Instead of validating the sweeping narrative that police were going around murdering innocent blacks, body cam footage has completely undercut it, and made some inconvenient truths impossible to evade: that the behavior on the street is worse, uglier, barbaric, chaotic, and more morally depraved than anyone could imagine."















