Discover the chilling stories of five renowned international murder cases, featuring firsthand accounts from individuals close to each case and those seeking justice.
You can now watch World's Most Notorious Killers online on the following streaming providers in the United States.
| Production | Ian Russell | Executive Producer |
| Production | Mike Griffiths | Executive Producer |
| Production | Robert Palumbo | Executive Producer |
| Production | David Alrich | Executive Producer |
| Production | Brendan Dahill | Executive Producer |
| Production | Jimmy Humphrey | Executive Producer |
| Production | Carolyn Day | Executive Producer |
| Production | Rik Hall | Executive Producer |
| Production | David Howard | Executive Producer |
