Homemaker Kelly Cristina Pereira da Silva, 40, whose son was killed by stray bullets, poses for a portrait after an interview with AFP in Rio de Janeiro, Brazil, on October 10, 2017. On March 9, 2016, her son Caio Daniel, 14, was killed by stray bullets on a football field next to his house when he was caught in the middle of a firefight between police and traffickers; his mother braved the shooting to try to rescue her son. The most brutal face of the economically collapsed city of Rio is reflected in the growing number of victims of stray bullets, the product of clashes between police and traffickers. AFP's "Stray bullets" project tells some of the victims' stories. / AFP PHOTO / MAURO PIMENTEL