conclude based on who would have the ability to make a bomb that would have this kind of effect? >> well, if -- for example, if it's kind of a pipe bomb that's made with black powder and a timing device, and as we saw in the early reporting had some kind of shrapnel, bbs or whatever, that is a device that's not overly complicated to make. now, you compare that to -- >> and that would expand the circle of plausible suspects, right? because it would mean that, you know, that is -- that is a capacity that many people have as opposed to something very -- >> less technical, obviously. the easier it is for the average person to get their hands on this. now, as opposed to some of the devices that we've seen coming out of afghanistan and pakistan that are made by more sophisticated bombers and techniques, for example, where they used tatps, the explosive. this was the device that was attempted to be used in the new york subway. this takes a higher degree of