It took nearly a decade following the September 11, 2001 terrorist attacks on New York City and Washington, D.C. for American intelligence authorities to realize that al Qaeda founder Osama bin Laden—mastermind of the 9/11 plot—hadn’t been skulking in a cave or a remote tribal area of Pakistan. For about the last five years of his life as a fugitive, his home had been a large compound in Abbottabad, shared with several wives and children and a handful of supporters. The location was scarcely a mile from the Pakistan Military Academy in Kakul.