KnowraKhalid Sheikh MohammedLinked fromLinked fromThe 4 pages that link to Khalid Sheikh Mohammed, each with the reason it gives.All 4Related 3Compared with 1September 11 attacksRelated: His proposal became the operational blueprint for the attacks.Enhanced interrogation techniquesRelated: His treatment, including repeated waterboarding, became a prominent example in public investigations.Mohamed AttaRelated: He developed the attack plan and selected Atta to lead the hijacker team.