I corpi presentano tracce di violenza carnale

The name of this movie is I corpi presentano tracce di violenza carnale released in 1973-01-04 and it's main theme is 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..