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Khalid Sheikh Mohammed (sometimes also spelled Shaykh; also known by at least 50 pseudonyms; born 14 April 1965), often known by his initials KSM, is a Kuwaiti or Pakistani terrorist, mechanical engineer and the former Head of Propaganda for al-Qaeda. He is currently held by the United States at the Guantanamo Bay detention camp under terrorism-related charges. He was named as "the principal architect of the 9/11 attacks" in the 2004 9/11 Commission Report.
Mohammed was a member of Osama bin Laden's Pan-Islamist terrorist organization al-Qaeda, leading al-Qaeda's propaganda operations from around...