1: 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 . 2: Another boy told CNN last year that ISIS forced his father to send him to one of its children 's camps in northern Syria when he was just 13 . 3: Boys have told CNN of their military training by the jihadist group .
1: ISIS 2: ISIS 3: the jihadist group