The Sept. 11 Trial: Khalid Sheikh Mohammed's Web Of Connections

More than a decade after the Sept. 11, 2001, attacks, five men accused of orchestrating the deadliest terror plot in U.S. history are going on trial. The defendants, including alleged mastermind Khalid Sheikh Mohammed, were captured in Pakistan in 2002 and 2003. They were held in secret CIA prisons abroad before being sent to the U.S. military's Guantanamo Bay prison in Cuba on Sept. 4, 2006. Their prolonged detention without trial has been a major source of controversy. But on Saturday, May 5, they are being arraigned by a military commission at Guantanamo in what will be the main criminal trial in the 9/11 attacks. All five face capital charges that include terrorism, murder in violation of the law of war, hijacking an aircraft, attacking civilians and conspiracy. The U.S. government says Mohammed was the central figure, and the interactive graphic below shows his alleged role in the attacks, as well as other major terrorism cases. (For additional information on the cases, here are the April 2012 charging documents (PDF). You can also go to the Military Commissions website and select "Khalid Sheikh Mohammed et al" from the page marked "Cases.")

Click on the people and events for additional information.

Sources: JTF-GTMO Detainee Assessment Briefs; transcript from Khalid Sheikh Mohammed's tribunal hearing, March 10, 2007; 9/11 Commission Report; U.S. Department of Defense documents; Bureau of Prisons database; "U.K. shoe-bomb conspirator sentenced to 13 years," AP, April 22, 2005; Terry McDermott and Josh Meyer, The Hunt for KSM: Inside the Pursuit and Takedown of the Real 9/11 Mastermind, Khalid Sheikh Mohammed, 2012; Pearl Project: "The Truth Left Behind: Inside the Kidnapping and Murder of Daniel Pearl," 2011.

Credits: Interactive by Stephanie d'Otreppe; Research and reporting by Margot Williams; Photo research by Becky Lettenberger; Editors: Alicia Cypress and Greg Myre / NPR

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