Schramm

Schramm is a 1993 German exploitation horror film written and directed by Jörg Buttgereit, with screenplay credit also to Franz Rodenkirchen. It tells the story of a man referred to in the media as the 'Lipstick Killer', who is believed to have had multiple victims.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.