Once the Killing Starts
- İl: 1974
- Ölkə: United Kingdom
- Janr: TV Movie, Mystery, Drama, Thriller, Horror
- Studiya: Associated Television (ATV)
- Açar söz: murder, affair
- Direktor: John Scholz-Conway
- Oyuncu: Patrick O'Neal, Angharad Rees, Michael Kitchen, Gerald Sim, Gary Watson, Patricia Donahue