The five men are appearing in public for the first time in three years
A courtoom drawing shows Khalid Sheikh Mohammed (top), and co-defendants Walid Bin Attash and Ramzi Bin al Shibh attending a pre-trial session December 8, 2008 in Guantanamo Bay. Sheikh Mohammed and four co-defendants appeared in a Guantanamo Bay court to be arraigned, all facing the death penalty if convicted.