High Quality Content by WIKIPEDIA articles! Walid Muhammad Salih bin Roshayed bin 'Attash (Arabic: , ) (born 1979) is a Yemeni prisoner held in extrajudicial detention at the United States' Guantanamo Bay detention camps, and faces the death penalty for his association with al-Qaeda.The Office of the Director of National Intelligence described him as a "scion of a terrorist family".American prosecutors at the Guantanamo military commissions allege that he helped in the preparation of the 1998 East Africa Embassy bombings and the USS Cole bombing and acted as a bodyguard to Osama bin Laden, gaining himself the reputation of an "errand boy". He is formally charged with selecting and helping to train several of the hijackers of the September 11th attacks.