Accused 9/11 mastermind goes on trial

Khalid Sheikh Mohammed and four alleged accomplices on trial on charges including 2976 counts of murder
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Clifford Russell with his wife Christina head for the U.S. Navy base on May 4, 2012 in Guantanamo Bay, Cuba. Clifford's brother, Stephen Russell, was a firefighter during the September 11th terrorist attack in New York City. Khalid Sheik Mohammed and four alleged accomplices will be arraigned on charges including 2976 counts of murder during the September 11th terrorist attacks. (Getty Images)
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Tara Henwood-Butzbaugh stands with a picture of her brother, John Henwood, at the U.S. Navy base on May 4, 2012 in Guantanamo Bay, Cuba. John Henwood was a bond trader in on the 105th floor of Tower 1 during the September 11th terrorist attack. Tara came to witness the arraignment of Khalid Sheik Mohammed and four alleged accomplices on charges including 2976 counts of murder during the September 11th terrorist attacks. (Getty Images)
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In this courtroom drawing reviewed and approved for release by a US military security official, Ammar al Baluchi, also known as Ali Abd al Aziz Ali, appears at his arraignment on May 5, 2012 at the US Naval Base in Guantanamo Bay, Cuba. Mohammed, self-confessed mastermind of the 9/11 attacks, and four co-defendants appeared in a in court to be arraigned, all facing the death penalty if convicted. Khalid Sheik Mohammed, al Baluchi and three accused plotters challenged the court with small acts of defiance before being formally charged with planning and executing the September 11, 2001 attacks. The suicide attacks by Al-Qaeda militants in hijacked airliners killed 2,976 people in New York, Washington and Shanksville, Pennsylvania. (Getty Images)
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In this courtroom drawing reviewed and approved for release by a US military security official, Khalid Sheikh Mohammed sits in court on May 5, 2012 at the US Naval Base in Guantanamo Bay, Cuba. Mohammed, self-confessed mastermind of the 9/11 attacks, and four co-defendants appeared in a in court to be arraigned, all facing the death penalty if convicted. Mohammed and the other accused plotters challenged the court with small acts of defiance before being formally charged with planning and executing the September 11, 2001 attacks. The suicide attacks by Al-Qaeda militants in hijacked airliners killed 2,976 people in New York, Washington and Shanksville, Pennsylvania. (Getty Images)
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In this courtroom drawing reviewed and approved for release by a US military security official, Yemeni Ramzi bin al Shibh appears at his arraignment on May 5, 2012 at the US Naval Base in Guantanamo Bay, Cuba. Mohammed, self-confessed mastermind of the 9/11 attacks, and four co-defendants appeared in a in court to be arraigned, all facing the death penalty if convicted. Khalid Sheik Mohammed, al Shibh and three other accused plotters challenged the court with small acts of defiance before being formally charged with planning and executing the September 11, 2001 attacks. The suicide attacks by Al-Qaeda militants in hijacked airliners killed 2,976 people in New York, Washington and Shanksville, Pennsylvania. (Getty Images)
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An American flag flies at Hospital Cay on May 5, 2012 in Guantanamo Bay, Cuba. Khalid Sheik Mohammed and four alleged accomplices will be arraigned on charges including 2976 counts of murder during the September 11th terrorist attacks. (Getty Images)
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Nearly 60 Journalists ferry across the inlet headed for the U.S. Navy base on May 4, 2012 in Guantanamo Bay, Cuba. Khalid Sheik Mohammed and four alleged accomplices will be arraigned on charges including 2976 counts of murder during the September 11th terrorist attacks. (Getty Images)