and actuallyjihadi john, mohammed emwazi, was eventually killed by a drone strike, and they knew thatanted men. so, we had no direct contact with them. the next thing that happened was that, mysteriously, suddenly they turned up in a kurdish prison. just before we get into the detail of how you then met two of them, just let's talk about the victims and their families. you know, just remind us who were the victims. these were largely aid workers and journalists. they were people who had gone out to syria to do good things. in the case of people like james foley, the american journalist, he went out there to tell the stories of suffering in syria. and also aid workers, people like david haines from perth in scotland, who had gone out to syria to help people. they all left behind these families, including here in the uk and several in the us as well. and families you made contact with. why did you do that? i know, i can see obviously it adds a human element, but i think there are also risks involved. do you worry about re—traumatising people, about asking families to live, relive what m