Fritz Haarmann, who has killed at least 27 boys, is questioned by a psychology professor in order to find out whether he is sane and can be held responsible for his crimes. During this interrogation Haarmann reveals his motives and his killing methods.
Unfortunately the movie The Deathmaker is not yet available on Disney Plus.
| Editing | Peter Przygodda | Editor |
| Writing | Romuald Karmakar | Screenplay |
| Costume & Make-Up | Peri de Bragança | Costume Design |
| Production | Gebhard Henke | Producer |
| Production | Christian Granderath | Producer |
| Directing | Romuald Karmakar | Director |
| Production | Peter Herrmann | Executive Producer |
| Camera | Fred Schuler | Director of Photography |
| Art | Toni Lüdi | Production Design |
| Production | Thomas Schühly | Producer |
| Production | Romuald Karmakar | Producer |
| Writing | Michael Farin | Screenplay |
