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 11 attacks
East Africa Embassy bombings
1998 United States embassy bombings
Walid bin Attash