 When the regime fell in 1979, Ieng fled to Thailand and was convicted of genocide and sentenced to death by the People's Revolutionary Tribunal of Phnom Penh.Ieng remained a member of the Khmer Rouge government in exile until 1996 when he was granted a royal pardon for his conviction and royal amnesty for this outlawing of the Khmer Rouge.Ieng Sary was arrested on 12 November 2007.