A photo of the character can be seen.
In both movies the killer performs in a theatre stage in front of his victims
Title of this film appears on screen ("Stagefright").
One of the films Radice speaks about
Jeff wears a Bloody Bird T-shirt.
Poster shown in a movie theater in the episode "Ne Pas Projeter"
"Sagittarius" (misspelled as "Sagitarius") used in context on Page 1 is a reference to this movie's alternate title, "Aquarius".
Characters watch this film during a movie theater scene.
Photographs and footage of this movie are shown.