article_snippet: ISIS has also promoted videos of young boys training as fighters, some of them wearing the militants' black masks, holding bullets and waving the group's flags.
article_snippet: The jihadist movement has called the boys the "cubs of the caliphate," a reference to the way ISIS fighters refer to one another as "lions.
article_snippet: The United Nations has said there are confirmed reports of children as young as 12 undergoing military training.
article_snippet: One 15-year-old boy told CNN in November how One 15-year-old boy was regularly strapped into an explosive vest and handed a pistol, an AK-47 and a radio to stand guard at an ISIS base in Syria.
article_snippet: Another boy told CNN last year that ISIS forced One 15-year-old boy father to send One 15-year-old boy to one of ISIS children's camps in northern Syria when One 15-year-old boy was just 13.
article_snippet: Then we took courses on weapons, Kalashnikovs and other light military stuff," said the boy, who later fled to Turkey with One 15-year-old boy family.
article_snippet: Some of the militants at the camp were kind, joking and laughing with the younger recruits, One 15-year-old boy recalled.
article_snippet: Some of the militants at the camp used to bring young [kids] to the camp to lash Some of the militants at the camp," said the boy, who later fled to Turkey with his familywhose real name .
article_snippet: Syrian activists say that some of the boys indoctrinated and trained at such camps are now being killed on the front lines of battle.
article_snippet: CNN is unable to independently verify some of the boys indoctrinated and trained at such camps are now being killed on the front lines of battle.
highlights_snippet: Boys have told CNN of Boys military training by the jihadist group .