**FILE** In this photo from Oct. 7, 2001, Osama bin Laden (left) and his top lieutenant Egyptian Ayman al-Zawahri are seen at an undisclosed location in this television image broadcast. (Associated Press/Al Jazeera)

**FILE** In this photo from Oct. 7, 2001, Osama bin Laden (left) and his top lieutenant Egyptian Ayman al-Zawahri are seen at an undisclosed location in this television image broadcast. (Associated Press/Al Jazeera)