#2 ∙ 9/11 MastermindMon, Aug 29, 2011Next, to bin Laden, the most wanted terrorist associated with 9/11 was Khalid Sheik Mohammed or KSM. He managed to elude the CIA for a decade, and even on the run, he carried out attacks on U.S. and Western interests in Bali, Yemen and Africa.5.6/10 (5)Rate