can use them in the al qaeda magazine. but they have also been common in other sorts of attacks, does that lead you down a path of foreign or domestic? have you had any indications as to which it will be? >> i think the jury's still out, whether it's a foreign or terrorist related attack. one possibility that's not mentioned is that it could be foreign inspired, like the inspired magazine that al qaeda put out that shows you how to make these bombs in your mother's kitchen essentially. the ideaa it could be inspired like the general hassan out there, the homegrown terrorist, i would could be inspired by the foreign organization and pulled off by a homegrown inside the united states. we really don't know. the jury is still out. we really won't know until this forensics comes back from the examination of the bombing device and until the perpetrators are actually and prehebded. >> chairman mccall, good to talk