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 HBO Max.
| Production | Peter Herrmann | Executive Producer |
| Editing | Peter Przygodda | Editor |
| Production | Gebhard Henke | Producer |
| Art | Toni Lüdi | Production Design |
| Production | Christian Granderath | Producer |
| Camera | Fred Schuler | Director of Photography |
| Production | Romuald Karmakar | Producer |
| Production | Thomas Schühly | Producer |
| Directing | Romuald Karmakar | Director |
| Writing | Michael Farin | Screenplay |
| Costume & Make-Up | Peri de Bragança | Costume Design |
| Writing | Romuald Karmakar | Screenplay |
