. >> there is now a bomb that can go through magnet om ters.e can get on aircraft with those bombs. they have tried to send four of them into this country, two of them in printer cartridges. one an asset was able to obtain out of yemen. these were coming into this country, two of them aimed at synagogues in illinois. now having said that, the only way you could stop this is with intelligence. the way you could stop that is by putting clues together to ferret out where this is coming from. >> so where is our weakest point? >> well, i mean, the threat level has never been more diverse than it is today. and that's one of the bigger, i think, concerns that we have. and why we both would agree that the threat is higher today and we are less safe. the more efforts they try the more perfect you have to be to try to stop something. that's a huge challenge. >> and lucky. >> we have three al qaeda affiliate groups have changed the way they communicate, means it's less likely that we're going to be able to detect something prior to an event that goes oper