A 13-year-old boy was shot and killed in Chicago on Sunday evening - and his family says Facebook posts are to blame. Anthony Diaz was out with his two older sisters when he was fatally shot in the chest, police tell People. He'd followed the girls into a physical fight over some Facebook posts and ended up paying for it with his life. "It would never cross your mind that something like this would happen," his stepfather Ralph Otero told the Chicago Tribune. The teen was using his phone to record the encounter when he was gunned down. He was transported to Mt.