So Sweet, So Dead 1972

Rivelazioni di un maniaco sessuale al capo della squadra mobile – A serial killer is on the loose. His victims are unfaithful wives and he always leaves compromising photographs at the crime scene. Inspector Capuana investigates serial murders where the victims of unfaithful wives were get killed as they were having sex with their husbands. A naked woman is found murdered and mutilated in a prosperous small province town in Southern Italy. But who is murdering her? After a while, the killer who wears black fedora, gloves, and trench coat starts photographing unfaithful wives as they start having sex with their lovers and also killing them.