combination of terrifying tactics before they come in and actually being competent in militarily. how important is it that the top military commander, isis isn't known to have more strategic thinkers beyond this person? >> well, what we've seen in the past with isis is it tends to operate on two levels. one is a kind of macro level, which is certainly an important role that was held by, and that's going to emerge in the coming days following this strike, which is as an organization, the acquisition of, for example, military hardware and weapons that isis took over from the iraqi army and elsewhere, those tend to go into the big picture elements of isis. to be able to disperse those equipments and those weapons on a large scale. and that's probably the role he played. how to use those weapons, what to attack, what strategic areas to go after. but there's also another element of isis, which is the kind of low level fear factor that isis thrives off of. and in areas where they control, it's sometimes very low-level commanders, low level individuals, who create the most