20/20 Britain's Most Notorious Crime Investigations Season 1 Episode 4 - Peter Tobin: A Monster In Their Midst

Airdate: 2026-Jul-30

Episode summary:

When the murder of a young woman points police to a quiet church handyman, detectives uncover a serial killer hidden in plain sight for decades, linked to multiple killings across the U.K.

About 20/20 Britain's Most Notorious Crime Investigations series:

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...Show more >