As dusk descends on a cemetery in one of Rio de Janeiro's northern slums, four young men stand on top of a wall vault of tombs and watch their kites flutter in the breeze. Across the graveyard's dusty expanse, some 20 others are doing the same in hopes of catching the wind. A spike in violent crime in Rio, which start on Aug. 5, despite police efforts to pacify the slums. Homicides in the state of Rio de Janeiro rose by 14 percent year on year to 2,083 in the first five months of 2016, according to the state Institute of Public Safety. The cemetery lies in the midst of the Vila Operaria slum, where tightly packed red-brick buildings cascade down the hillside.