Five years after the fall of the self-declared caliphate, tens of thousands of ISIS followers and their families are being held in dozens of detention facilities in Syria that human rights groups describe as a ‘legal black hole.’ In this episode, CNN gets unprecedented access to some of these facilities and hears from mothers and children facing dire conditions and uncertain futures.  Guest: Clarissa Ward, CNN Chief International Correspondent Learn more about your ad choices. Visit podcastchoices.com/adchoices