In this July 16, 2016 photo, police responding to a call find the body of a young black man in the middle of a residential street in Caxias, greater Rio de Janeiro. Rio’s ambitious security push to bring crime down and seize control of certain slums ahead of the 2016 Summer Games is crumbling. Overall slayings are on the rise in 2016, the victims overwhelmingly young, black men. (AP Photo/Felipe Dana)

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