strongest al qaeda affiliates. this one out of yemen. the attack took place in abyan. as you see this wasn't all that far from saturday's atrack in the al bayda province where ten al qaeda militants were killed and three civilians. it isn't unusual to have strikes close like this. chairman mccaul has been briefed on this today and he called this group the greatest external threat to the united states. >> they're the one who is are involved with bomb-making devices to go undetected on airplanes. they are the ones who create the magazine that inspired the boston marathon bombers. i think it is a positive sign given the prior narrative that al qaeda's on the run and this