Go to: Here is a look at some of the major attacks linked to al Qaeda, the terrorist group formed by Osama bin Laden, left, after the U.S-backed Afghan resistance against the Soviet Union in the 1980s. The exiled Saudi millionaire, whom U.S. officials named as the mastermind behind the September 11 attacks, has been on the FBI's Ten Most Wanted Fugitives list since 1999. Sources: CNN/AP