Deep in my heart I know [Osama bin Laden] is on the run, if he's alive at all. Who knows if he's hiding in some cave or not; we haven't heard from him in a long time. And the idea of focusing on one person is — really indicates to me people don't understand the scope of the mission. Terror is bigger than one person. And he's just — he's a person who's now been marginalized.... as I say, we haven't heard much from him. And I wouldn't necessarily say he's at the center of any command structure. And, again, I don't know where he is. I — I'll repeat what I said. I truly am not that concerned about him. I know he is on the run.

March 13, 2002 Press Conference at the The James S. Brady Briefing Room

President Bush Holds Press Conference[georgewbush-whitehouse.archives.gov]