Writer who directed the films S-21: The Khmer Rouge Killing Machine and The Land of the Wandering Souls.
He became interested in directing while studying at the Institut des hautes etudes cinematographiques.
He won a Cannes Film Festival Un Certain Regard Award for his 2013 work The Missing Picture.
He was born to a schoolteacher and primary-schools inspector.
He and his family were exiled from Cambodia in 1975 by the Khmer Rouge, which was led by Pol Pot .
