terrorism expert steven emerson joining us right now. what do you make of this development?nd if true, it raises an issue that i was just curious about, when the fbi itself start showing, this is why we think these other guys. be a link them hear, here, here, and your. neil: and story, why wouldn't they -- widened they have a press conference earlier? >> no, reds is showing video of them walking around on the streets, as they were able to get, if there were so sure teeseven to my to second-guess, but they are obviously linking them for reason. what you think it was. but seymour and affirmation or what? >> local i understand that the actual residue of the backpacks, which contained the bonds were found and that residue show them to be linked to the types of backpacks that they were actually wearing on their backs. and they confirmed this, apparently. obviously it did not have the original backpacks, but they looked at the make of the backpacks. there were a will to determine what type of make a workaholic the color was, and determined that they were the exact duplicates of th