5 Merging the Taliban and Al Qaeda In the early 1980s, Mustafa Abu al-Yazid served three years in an Egyptian prison for links to the group responsible for the 1981 assassination of Egyptian President Anwar Sadat (the Muslim Brotherhood). After his release, Yazid went to Afghanistan, and became a founding member of Al Qaeda. He followed bin Laden to Sudan and back to Afghanistan, where he served as al Qaeda's chief financial officer, managing secret bank accounts in the Persian Gulf that were used to finance the Sept. 11 attacks. After the U.S. and its allies invaded Afghanistan in 2001, Yazid went into hiding for years. He surfaced in May 2007 during a 45-minute interview posted on the Web by al Sabah, in which he was introduced as the ``official in charge'' of the terrorist movement's operations in Afghanistan. Mustafa Abu al-Yazid, the terror leader who earlier this year said he would use nukes on America if he could only get his hands on some.