months that the civilians are stuck. harris: what is stuck? i mean we're looking at pictures now. i'm turning around and looking at this. you talk about urban. these are rooftops, what is stuck for the people. how deadly? >> correct, isis is digging tunnels in the western part of mosul. breaching wall to wall to move through homes without having to go out into the streets. so isis is using the civilians as human shields, that's where they're going to center forces in churches or mosques or schools or hospitals. harris: you know the last president, president obama, called them the jv team. there is nothing jv about what you described. are they getting better at this? >> they're certainly learning. that's the thing with isis, they're good at adapting to battlefield conditions. one thing we have to remember is they still have abu bakr albaghdadi, the leader of isis in mosul. it was in mosul here in the western part of the town where