That diplomat involved in the apparent non-shoe-bomb misunderstanding yesterday on that flight from DC to Denver was on his way to a consular visit with a jailed al Qaeda operative
. That's according to the Associated Press.
Given that he was en route to Colorado, I'd assume that means the Supermax facility in Florence, CO. But that last part is my supposition. Late Update
: The prisoner in question is apparently Ali Al-Marri.