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