>> the bottom line is things are moving in a slow and meticulous way for the fbi which is on the ground. part of their job right now is to go to each of the sites where there has been explosions and they have got to in a very methodical way pick up the residue from these explosive devices to determine if they have the same signature from the same bomb maker. we have confirmation that we have the simultaneous explosions and a third explosion in suburban boston at the jfk library, and then there was another device that had to be rendered safe. conversations with people on the hill like the homeland security indicated they believe cell phone service was temporarily knocked out and that was deliberate and would go to the belief that these may have been cell phone detonators. a very methodical process and we have heard there is a