Year Zero: The Silent Death of Cambodia

Year Zero: The Silent Death of Cambodia is a 1979 British television documentary film written and presented by the Australian journalist John Pilger, which was produced and directed by David Munro for the ITV network by Associated Television (ATV). First broadcast on 30 October 1979, the filmmakers had entered Cambodia in the wake of the overthrow of the Pol Pot regime.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.