Body Puzzle
A homicide detective realizes that the brutal murders committed by a mysterious serial killer he's after have something to do with the late husband of a beautiful widow.
Starring Joanna Pacula, Tomas Arana, François Montagut, Erika Blanc, Gianni Garko, Matteo Gazzolo, Susanna Javicoli, Bruno Corazzari, Giovanni Lombardo Radice, Ursula von Baechler
Watch "Body Puzzle" on Kanopy released in 1992. It's a mystery and horror movie, and has a rating of 5.3 out of 10 from Imdb which is fairly okay for this kind of movie.