 He acknowledged he had treated bin Laden in 1999 and in November 2001.However, Aziz asserted he had no knowledge of any terrorist plans, and that he had not known he would be called upon to treat bin Laden when he travelled to Afghanistan.Joscelyn quoted the Guantanamo assessment, which said that during his interrogation, Aziz indicated he thought Batarfi was "quite keen" on fighting and "fully believed in al-Qaida."