In 2004 Army Specialist Sean Baker , a soldier posing as a prisoner during training exercises at the camp , was beaten so severely that he suffered a brain injury and seizures . In June 2004 , '' The New York Times '' reported that of the nearly 600 detainees , not more than two dozen were closely linked to al-Qaeda and that only very limited information could have been received from questionings . In 2006 the only top terrorist was reportedly Mohammed al Qahtani from Saudi Arabia , who is believed to have planned to participate in the September 11 attacks in 2001
September 11 attacks
September 11 attacks
Guantanamo Bay detention camp