Hajji Nasrat Khan is an elderly citizen of Afghanistan best known for the more than three years he spent in the United States Guantanamo Bay detention camps, in Cuba. The United States Department of Defense believed that he was an enemy combatant and assigned him the Internment Serial Number 1009. Khan has been crippled since 1986. In April 2006, Khan was 80 years old. He was the oldest prisoner remaining at Guantanamo by the time he was released (August, 2006 ). Combatant Status Review Tribunal Nasrat Khan was among the 60% of prisoners who chose to participate in his tribunal hearings. Summary of Evidence memo A Summary of Evidence memo was prepared for Hajji Nasrat Khan's Combatant Status Review Tribunal, on 5 October 2004. The memo listed the following allegations against him: Transcript Khan chose to participate in his Combatant Status Review Tribunal. Administrative Review Board hearing Detainees who were determined to have been properly classified as "enemy combatants" were scheduled to have their dossier reviewed at annual Administrative Review Board hearings. The Administrative Review Boards weren't authorized to review whether a detainee qualified for POW status, and they weren't authorized to review whether a detainee should have been classified as an "enemy combatant". They were authorized to consider whether a detainee should continue to be detained by the United States, because they continued to pose a threat - or whether they could safely be repatriated to the custody of their home country, or whether they could be set free. Khan chose to participate in his Administrative Review Board hearing. The following primary factors favor continued detention The following primary factor favor release or transfer Witness at other Tribunals Khan was interviewed, and provided a statement for Hamidullah's Tribunal. He confirmed that Hamidullah had only been a teenager when he had been in the HiG, and that he had been a deserter. Habeas Corpus Philadelphia lawyer Peter M. Ryan is representing Khan in his habeas corpus motion. Khan's age United Kingdom newspaper, The Guardian, republished an Associated Press article, devoted to Khan, which speculated about his age. The article says that the United States estimates Khan's age as 71. It says that Khan doesn't know his age for sure, but believes he is about 78. The article states that Khan requires a walker. Return to Afghanistan Khan was reported to have been one of five Afghans returned to Afghanistan on