Time to make them an offer they can't refuse
"If you immediately turn over Osama bin Laden and his terrorist network, we might be persuaded to let you live, perhaps in exile in another country. If you don't, we'll continue to help the Northern Alliance and other opposition groups to hunt you down. There are a lot of your former subjects who want to get their hands on you. When they do, well, it won't be pretty and we're not going to do anything to stop them from getting their vengence."