Once Upon a True Crime (Documentary, English)
Genres: Crime
Status: Running
Premiered: 2022-04-25
Network: Crime & Investigation
Country: GB
Airs on: Monday
Air time: 21:00
Runtime: 60 minutes
Once Upon a True Crime follows some of Britain's best-selling crime fiction writers as they turn detective to explore the enduring mysteries of the real-life murder cases which have inspired some of their most famous characters and novels.