Die purpurnen Flüsse
Les Rivières pourpres (original)
Two French policemen, one investigating a grisly murder at a remote mountain college, the other working on the desecration of a young girl's grave by skinheads, are brought together by the clues from their respective cases. Soon after they start working together, more murders are committed, and the pair begin to discover just what dark secrets are behind the killings.
Starring Jean Reno, Vincent Cassel, Nadia Farès, Dominique Sanda, Karim Belkhadra, Jean-Pierre Cassel, Didier Flamand, Philippe Nahon, François Levantal, Laurent Lafitte
Watch "Die purpurnen Flüsse" on Amazon Prime released in 2000. It's a crime and mystery movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.