>> reporter: they originally told us there is perhaps a thousand a1,500 inside the town and what happened thousands of people came out every day. there were many foreigners among them. >> do i regret coming, you mean? no, i don't. >> reporter: the wives of isis fighters. god is testing us, this woman says. the unworthy will leave and the righteous will remain. and it's been a pattern. the morning began with heavy exchange of machine gun fire and loud explosions and there are fighting and allow the civilians to come out when they think they are all out and they will have another offensive and then they will halt it again and we have done this three times so it's sort of a pattern that everybody thinks it's about to end, it's about to end and it just goes on and on.