Question: Do both films: The Killer Must Kill Again and Once (Film) have the directors from the same country?
Sentence (from "Luigi Cozzi"): After directing his first film" The Tunnel Under the World", Cozzi befriended director Dario Argento and began working with him in film and television as well as directing his own features including" Hercules" as well as continuing work with Argento.
Relevant evidence: No