Ex - militant named sultan entered Islamic State prison earlier this year . He was forced to shoot an executioner and threatened to kill his friends . The year - old refused and was let off but his commander said he would soon be beheading on a regular basis . He was then invited to take part in the brutal rape of suspected Yazidi sex slaves . Hamza was so disgusted by ISIS that he risked his life fleeing the group .
Ex-militant named Hamza escaped Islamic State terrorists earlier this year . He was forced to become an executioner and ordered to kill his friends . The 33-year-old refused and was let off but his commander said he would soon be beheading on a regular basis . He was then invited to take part in the brutal rape of 13 Yazidi sex slaves . Hamza was so disgusted by ISIS that he risked his life fleeing the group .