A Killer's Mistake
Crime series looking at the key errors made by murderers that led to their arrest.
- 2018-2025
- 5 seasons
- Documentary, Suspense
Crime series looking at the key errors made by murderers that led to their arrest.
Season 5 Episode Guide
10 Episodes 2025
Episode 1
Ian Bennett
When Kerry Woolley is murdered in her Solihull home, her boyfriend Ian Bennett plays the role of the grieving partner. But detectives soon uncover a trail of deception.
Episode 2
Jack Sepple
Ashley Wadsworth left Canada for a new life in the UK with Jack Sepple, a man she fell for online. But her dream quickly turns into a nightmare, after she is found killed in Chelmsford.
Episode 3
Trent Paschal
Savannah Paschal's husband, Trent, becomes jealous and obsessive and she tries to leave. But, before she can, Trent makes a deadly decision that stunned the community of La Marque, Texas.
Episode 4
Anthony Shore
Anthony Shore is a predator who stalks and strangles his victims. For years, he eludes investigators until an unrelated assault presents a lead for Houston investigators.
Episode 5
William Davis
When patients at a respected Tyler, Texas hospital die unexpectedly, no one suspects foul play until investigators uncover a chilling pattern.
Episode 6
Keith Bettison
On Halloween of 2020, police discover the body of Ildiko Bettison in her Chessington home. Detectives follow a trail of missteps to uncover the truth behind her murder.
Episode 7
Steven McDowell
In Baytown, Texas, 37-year-old Crystal McDowell disappears without a trace during Hurricane Harvey in 2017. Can detectives uncover the mistake that gives her killer away?
Episode 8
Asher Maslin
In 2014, Hollie Gazzard is murdered at work by her ex-partner in Gloucester. What critical mistake gave police what they needed to bring the killer to justice?
Episode 9
Trimaan Dhillon
When Alice Ruggles is found dead in her Gateshead flat back in 2016, detectives uncover a tale of obsession. Police must distinguish truth from lies to solve this case.
Episode 10
Keland Hill
When Tiffany Hill is shot dead in her car in Vancouver, Washington. Her ex-husband, Keland Hill, becomes the prime suspect. Police uncover the mistake that exposes his intentions.