Well they had to be certain, right? What if the driver was working for someone else, and Bin Laden was nearby but didn't live there? You send in the marines, yo

Well they had to be certain, right? What if the driver was working for someone else, and Bin Laden was nearby but didn't live there? You send in the marines, you don't get Osama, and instead you've basically let him know that he needs to GTFO that city...