expect them to go off, especially five of them. it doesn't work that way. >> all right. you talk about people say they wereas some sophistication to them? talk to me about the detonators why are the detonators such an important key to the investigation, bob? >>ators are difficult to make. they're explosives confined in a small space. has to be the right sequence of chemicals if you're making them from black powder. that's another question altogether. the electrical connection is difficult. i've made these before. i've made a lot of them. most of them don't go off until you really get a lot of experience. so all i'm saying is these two young men went out and practiced on their own, practiced a lot. how they did it without being spotted, i don't know. or somebody showed them. i just think alternative that they got completely lucky is unlikely. >> all right. bob baer thank you very much. appreciate your expertise. you know a lot of money is pouring in here. a fund that has reached more than $26 million. that's a huge outpouring of support for the victims here in