Osama bin Laden sits with his adviser and purported successor Ayman al-Zawahiri during an interview in Afghanistan, Barack Obama

Osama bin Laden (L) sits with his adviser and purported successor Ayman al-Zawahiri, an Egyptian linked to the al Qaeda network, during an interview with Pakistani journalist Hamid Mir (not pictured) in an image supplied by the respected Dawn newspaper November 10, 2001. Al Qaedas elusive leader Osama bin Laden was killed in a mansion outside the Pakistani capital Islamabad, U.S. President Barack Obama said on May 1, 2011. REUTERS/Hamid Mir/Editor/Ausaf Newspaper for Daily Dawn (AFGHANISTAN - Tags: POLITICS CONFLICT IMAGES OF THE DAY). (Foto: HO/Scanpix 2011)