A Greek paradise turns tragic. A dangerous killer could be living next door. Romance and religion are tied to the death of two elderly neighbors. A serial killer is discovered hidden in plain sight. The Royal family is linked to a deadly scandal. A high-speed car chase turns deadly. The new docuseries 20/20 Britain's Most Notorious Crime Investigations reopens six of the UK's most high-profile crime cases, bringing the prestige and journalistic power of ABC News' legendary "20/20" brand to an international audience with premium, character-driven true crime.
1 episode · July 30, 2026
20/20 Britain's Most Notorious Crime Investigations has 1 season.
20/20 Britain's Most Notorious Crime Investigations premiered in 2026.
Sign in to join the discussion
No comments yet. Start the conversation!
Worst Neighbor Ever
2026
Trust Me: The False Prophet
2026
I AM A KILLER
2018
The Idaho Murders: College Nightmare
2026
Cold Case: Who Killed JonBenét Ramsey
2024
Inside the World's Toughest Prisons
2016
Dateline
1992
Homicide Hunter: Lt Joe Kenda
2011
Evil Lives Here
2016
Conversations with a Killer: The Jeffrey Dahmer Tapes
2022
Conversations with a Killer: The Son of Sam Tapes
2025
Worst Ex Ever
2024