Summary: BBC Security correspondent Gordon Corera tells the untold tale of how the Americans hunted their most wanted man - from the caves of Tora Bora in Afghanistan through to his stronghold in the Pakistani city of Abbottabad.
Summary: BBC Security correspondent Gordon Corera tells the untold tale of how the Americans hunted their most wanted man - from the caves of Tora Bora in Afghanistan through to his stronghold in the Pakistani city of Abbottabad.