Title mentioned when police find a drawing in the cell where the prisoner is being held.
The killer mentions "Hannibal Lector" while he's in his cell. The killer gets "into" the head of the cop who starts to think like him. He's away from his family, alone in a hotel room where he makes phone calls home to his wife etc etc.
Gabriel Engel quotes and re-enacts a snippet of that film.
serial killer with biblical motives, optical parallels , killer plays a game with the cop, dissimilar cop-duo
When Martens is dying he says with a feverish voice "mein böser Schatz" in the same way Gollum says "precious" or "mein schatz" german dubbed version.
Movie Poster can be seen
Opening sequence playing on TV