Philosophy of a Knife

Philosophy of a Knife is a 2008 Russian-American horror film written, produced, shot, edited, and directed by Andrey Iskanov. It covers the Japanese Army's Unit 731, mixing archival footage, interviews, and extremely graphic reenactments of experiments performed there. The film is four hours long, is presented in two parts (Part one and Part two), is in English, and shot in black and white. The interviews are shot in color and have English subtitles.