tashfeen malik pledging her support to isis. what does that add as far as what you believe happened here? >> well, for the last few days, i believe that it was always going to come down to whether she was radicalized. the key intelligence indicators on this for me came down to the point that she not only took part in this attack on a center for disabled people, it was trained to manipulate and fire a semiautomatic weapon, to operate handguns. she actually was the one who was doing the battling out of the back of the suv as they were trying to take her down. this is an example of an extremely radicalized person who was going over to terrorism. now, it may be that she came to the united states, which was a completely different cultural environment than she was used to in saudi arabia, and then when the announcement in 2014 that