on to know, either by the devices, and/or other information that they are gathering at this time. we can tell you this, there is a group called the pakistani taban who are saying that they ar n the ones who were responsible for this. however, tthe spo anyone who is attempting to kill americans. this is the samegrp, by the way, that claimed responsibility for t times square bombi ban 2010. you remember that involved a car bomb that sort of fizzled and they were able to catch that before it went off. back to you, chris and john. cim of not responsibility this morning. susan canotti our thanks to st a domestic group, a foreign group? just one of the key questions everyone was asking this morning. there are many, manyey ings iran townsend, cnn s naon security analyst and former assistant to george w. bush for homeland security an counterterrorism. also joining us, cnnnast juliette kaym w i a former