this man is one of a group of captured kurdish soldiers. >> when did they catch you? >> he told todenhofer he was afraid. shortly after, isis put kurdish prisoners in cages, dressed in orange jumpsuits. ♪ they were paraded through the streets and isis made a propaganda video out of it. ♪ it's hard to believe, but according to todenhofer, there are people in mosul who say they are better off under the islamic state. almost all are sunni and they have suffered at the hands of iraq's shiite government. >> first of all, instead of anarchy, they have now law and order. and people don't like, i ask, but they like their security. so they take taxes.