isn name arrival date transfer date notes ISN 706 Mohammad Lameen Sidi Mohammad 2002-08-05 2007-09-26 Mohamed Lemine Ould Sidi Mohamed was repatriated on September 28, 2007.[3] ISN 757 Ahmed Ould Abd al-Aziz 2002-10-28 2015-10-29 ISN 757 Ahmed Ould Abd Aziz was repatriated by the US to Mauritania on 29 October 2015.[4] He was among 53 detainees (of a total of 113 then held) recommended for repatriation in 2009 by a six-agency task force called by President Barack Obama after taking office, but his repatriation was repeatedly delayed.[5] Abd Aziz was mistakenly reported in June 2013 as having been repatriated in May 2013.[6][7][8][9] On June 1, 2013, the US disputed that they had repatriated any captives in 2013.[10] ISN 760 Mohamedou Ould Slahi 2002-08-05 2016-10-17 He was mistakenly thought to have been one of two Mauritanian detainees repatriated in May 2013.[6] The US denied that any were repatriated that year.[10] He has written and published a book, Guantanamo Diary (2015) about his treatment, including torture during the years of detention, while still being held in Guantanamo. The material was redacted and declassified by the US in 2013.