Ieng Sary was sentenced to death in absentia for his role in the mass genocide in Cambodia during the Khmer Rouge rule of terror between 1975-1979 when over a million people were executed or died of starvation , disease or overwork in mass labour camps .
<response> <person>Ieng Sary</person> was sentenced to death in absentia for his role in the mass genocide in <location>Cambodia</location> during the <organization>Khmer Rouge</organization> rule of terror between 1975-1979 when over a million people were executed or died of starvation , disease or overwork in mass labour camps . </response>