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