Giallo a Venezia (1979) - IMDb
Dec 31, 1979 · Directed by Mario Landi. With Leonora Fani, Jeff Blynn, Gianni Dei, Michele Renzullo. In Venice a detective is on the trail of a killer who commits a double murder (a married couple) then more grisly killings occur. Sex, drugs, gore and perversions are ingredients of this sadistic and sleazy giallo.