they were held at a prison run by the hezbollah brigades in jurf al sakhar. >> one of the men released from jurf al sakhar has finally agreed to talk to us, but only on condition of anonymity. when he was released, the militia's parting words to him were that if he spoke about his experience, they'd hunt him down and kill him. >> navai: instead of execution, he says the torture started. >> navai: i meet another man, who says he was held in the same prison. he tells me the shia militias are creating a new generation of enemies. are you worried that sunnis may turn to violence to fight back? >> navai: vice president allawi agrees that militia abuses could drive sunnis closer to isis, or daesh, as it's called in arabic. we're hearing that the sunnis now are talking of a new insurgency. does this trouble you? >> it's possible, it's possible, it's possible we will see even a worse daesh in the future. more serious replacements will appear, and more dangerous, more cunning and more destructive, and this will not only limit itself to this part of the world. it will travel and spill over into