Who are Khalid Sheikh Mohammed and the other accused terrorists?
Khalid Sheikh Mohammed and four others are to stand trial in New York. Here's the evidence federal prosecutors will use against them.
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All five men were called before combat status review tribunals two years ago at the Guantánamo detention camp.
Transcripts of the tribunals offer a rough preview of the kind of case that may emerge against each of the five terror suspects.
What follows is a summary of the allegations and known evidence for each of the five prospective defendants:
Khalid Sheikh Mohammed
The self-described mastermind of the 9/11 attacks, offered a complete confession in a combat status review tribunal conducted at Guantánamo Bay in 2007. It is unclear whether this confession will be admitted as evidence in his trial. It may offer a preview of Mr. Mohammed's trial strategy – to admit involvement in a wide range of terror attacks and die a martyr after being convicted and sentenced to death.
"I was responsible for the 9/11 operation, from A to Z," he told the military tribunal in March 2007.
He admitted to swearing an oath of allegiance to Osama Bin Laden to conduct jihad and to serving Bin Laden as operational director for the "organizing, planning, follow-up, and execution of the 9/11 operation."
Mohammed was subject to some of the harshest interrogation tactics used by US officials. He was reportedly waterboarded 183 times. In his 2007 statement, he complained bitterly about being tortured by the CIA, but it didn't seem to temper his apparent desire to confess.
He claimed responsibility for the 1993 World Trade Center bombing, the decapitation of Wall Street Journal reporter Daniel Pearl, Richard Reid's failed shoe bomber operation, the nightclub bombing in Bali, Indonesia, planning for a second-wave of attacks on the US allegedly targeting the Liberty Tower in Los Angeles, the Sears Tower in Chicago, the Plaza Bank in Seattle, and the Empire State Building in New York, an assassination plot against former President Carter and former President Clinton, a plot to bomb bridges in New York, a plot to attack Heathrow Airport and Canary Wharf, plots to bomb US embassies in Indonesia, Australia, and Japan, the launch of a Russian-made SA-7 missile at a commercial jet departing Mombasa, a plan to hit nuclear power plants in the US, a plan to destroy 12 US commercial jets in flight at the same time, and a plot to train and fund an assassination attempt against former Pakistan President Pervez Musharaf.