The film recounts the bombing of Cambodia by the United States in the 1970s , a chapter of the Vietnam War kept secret from the American population , the subsequent brutality and Cambodian genocide perpetrated by Pol Pot and his Khmer Rouge militia after their take over of the country , the poverty and suffering of the people , and the limited aid since given by the West . Pilger 's first report on Cambodia was published in a special issue of the '' Daily Mirror ''
Cambodian genocide
Cambodian genocide
Year Zero: The Silent Death of Cambodia