Mohammed was captured on March 1 , 2003 , in the Pakistani city of Rawalpindi by a combined operation of the US Central Intelligence Agency ( CIA ) and Pakistan 's Inter-Services Intelligence ( ISI ) . Immediately after his capture , Mohammad was extraordinarily rendered to secret CIA prison sites in Afghanistan , then Poland , where he was interrogated by U.S. operatives . By December 2006 , he had been transferred to military custody at Guantanamo Bay detention camp . In March 2007 , after significant interrogations , Mohammed confessed to masterminding the September 11 attacks , the Richard Reid shoe bombing attempt to blow up an airliner , the Bali nightclub bombing in Indonesia , the 1993 World Trade Center bombing , the murder of Daniel Pearl , and various foiled attacks , as well as numerous other crimes . He was charged in February 2008 with war crimes and murder by a U.S. military commission at Guantanamo Bay detention camp which could carry the death penalty if convicted
September 11 attacks
September 11 attacks
Khalid Sheikh Mohammed