Torso (1973)

"Torso" is a 1973 Horror movie directed by Sergio Martino and starring by Suzy Kendall, Tina Aumont. A masked serial killer with psychosexual issues strangles female coeds with scarves before dismembering them. When a wealthy student identifies one of the scarves and thinks she has a lead on a suspect, she becomes the killer's next target, retreating to her family's remote cliffside villa with three of her girlfriends.