Khalid Sheikh Mohammed

Khalid Sheikh Mohammed is a Pakistani militant accused of planning the September 11 attacks and other terrorist plots. He has been held at Guantánamo Bay since 2006.

September 11 attacks: A coordinated terrorist attack by al-Qaeda on the United States on September 11, 2001. Mohammed is accused of planning the attacks, whose prosecution has centered on his case.
Osama bin Laden: The Saudi-born founder and leader of al-Qaeda, killed by U.S. forces in 2011. Mohammed is accused of proposing the September 11 operation to bin Laden, who approved it.
Central Intelligence Agency black sites: Secret overseas detention facilities operated by the CIA after the September 11 attacks. The CIA held Mohammed at black sites before transferring him to Guantánamo.
Torture debate in the United States: Political and legal disputes over whether the United States may use coercive interrogation on detainees. Mohammed’s interrogation became a prominent test case in debates over torture and security.
Bojinka plot: A 1990s al-Qaeda-linked plan to bomb airliners and assassinate Pope John Paul II. The plot’s discovery in Manila led investigators to Mohammed and exposed his aviation targets.
Ramzi Yousef: A militant convicted for planning the 1993 World Trade Center bombing and the Bojinka plot. Yousef was Mohammed’s nephew and a close associate in the Bojinka plot.
Enhanced interrogation techniques: A set of coercive interrogation methods used by the CIA after the September 11 attacks. These methods shaped Mohammed’s treatment and the reliability of statements offered in court.
Habeas corpus in the United States: The legal procedure that allows a detained person to challenge the lawfulness of custody. His detention reflects broader conflicts over judicial review of terrorism suspects held abroad.
2002 Karachi bus bombing: A bombing in Karachi that killed 14 people, including 11 French naval engineers. U.S. authorities have linked Mohammed to the bombing as part of his alleged plots.
Ali Abdul Aziz Ali: A Pakistani national, also known as Ammar al-Baluchi, accused of helping finance the September 11 attacks. He is Mohammed’s nephew and a co-defendant in the Guantánamo military-commission case.

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