An alleged mastermind of the September 11, 2001, attacks and four other accused co-conspirators have been formally charged at a military tribunal in Guantanamo Bay.
Khalid Sheikh Mohammed and his co-defendants were arraigned on Saturday on charges that include 2,976 counts of murder, one for each person killed after hijacked planes struck New York, Washington and Pennsylvania.
Steven Kay, an international criminal lawyer, has criticised the legal process along with other defence lawyers and human rights groups.
