Watchers of the Sky

The life of Raphael Lemkin, who invented the term "genocide." Unimposing but tenacious, Lemkin dedicated his life to making such mass murders categorized as an international crime. Intercutting between Nazi Germany, Bosnia, Rwanda and other denizens of horror, the film details the usual reasons for such mass murder: "ethnic cleansing" or religious difference. (hollywoodreporter.com)