>> thank you, deborah feyerick on the scene in new york. go to harrisburg, pennsylvania. tom ridge, he served as secretary of homeland security under george w. bush, and former pennsylvania -- former governor of pennsylvania and decorated marine what is your reaction to this story, tom? all right. tom is not hearing me. one of those nights, folks, mother told me about this. we will get back with tom. let's check in right here in l.a. with harry humphries, counterterrorism expert and former navy s.e.a.l., president of global studies group and bob bayer, former cia officer and host of the channel 4 documentary "car bomb" and can a a columnist for time.com. harry, what is your take? >> well, one of two scenarios are possible. obviously it is extremely amateurish. it was not, in fact, a bomb. it was more of an incineration device. >> larry: not sophisticated?