protesters tried to break the syrian army siege on the city of dawra. eyewitnesses described at the time how security forces opened fire on them. dozens were killed and wounded. countless others detained. among them say his family was 13-year-old hamza, separated from his father in the chaos. a month later, the family received their son's body. hamza's face was bloated, purple. this video posted to youtube catalogs each of his wounds. much of it too graphic to broadcast. the narrator points out multiple gunshots before moving to his head. even more shocking? his genitals were mutilated. cnn cannot independently verify what happened to hamza or the authenticity of this video. after it was initially