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