2 Tymor
10 Pennod
The Mark of a Killer
- Blwyddyn: 2020
- Gwlad: United States of America
- Genre: Crime, Documentary
- Stiwdio: Sky Crime, Planète+ Crime Investigation, Oxygen Network
- Allweddair:
- Cyfarwyddwr: Chad Cunningham, Wendy Greene
- Cast: Tommy Campbell, Katherine Ramsland, Rory Callahan-Fitzgerald, Katherine Khatari, Sheryl Anania, Mary Kate Owens
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