Watch A Killer's Mistake Online | Peacock
A Killer's Mistake

A Killer's Mistake

Say Hello to Peacock! The wildly entertaining new streaming service for watching A Killer's Mistake. Watch today!

Watch Full Episodes of A Killer's Mistake

Watch A Killer's Mistake Season 3

Using emotionally charged interviews and dramatic reconstruction to explore the fatal errors made by murderers that led to their ultimate arrests.
  • Ronald Dominique

    Episode 1 - 42 mins
    Serial killer Ronald Dominique murders 23 men, before finally being captured.
  • Pawel Relowicz

    Episode 2 - 43 mins
    Pawel Relowicz's perverted crimes went undetected, until he raped and murdered Libby Squire.
  • Bruce McArthur

    Episode 3 - 43 mins
    Detectives catch Toronto's most prolific serial killer, Bruce McArthur.
  • Peter Morgan

    Episode 4 - 42 mins
    Millionaire Peteco Morgan murders escort Georgina Symonds.
  • Chacey Poynter

    Episode 5 - 41 mins
    Detectives uncover a web of lies, following the death of Chacey Poynter's husband.
  • Susan Warne

    Episode 6 - 42 mins
    Police arrest Susan Warne for the murder of her uncle, John Proctor.
  • Lois Riess

    Episode 7 - 42 mins
    The manhunt for Lois Riess, a murderer on the run with the stolen identity of her victim.
  • Zatoon Bibi

    Episode 8 - 43 mins
    A middle-aged mother kills her younger lover.
  • Uloma Curry-Walker

    Episode 9 - 42 mins
    Debt-ridden newlywed Uloma Curry plots the murder of her new husband for his life insurance.
  • Ben Lacomba

    Episode 10 - 42 mins
    Ben Lacomba thinks he will get away with murder if his wife's body is never found.

Frequently Asked Questions

Download the Peacock app and start streaming full episodes of A Killer's Mistake. View the full list of supported devices.

You can watch A Killer's Mistake on Peacock. Just sign up and stream every episode.

Peacock currently has 4 seasons of A Killer's Mistake available for streaming.

Pick Your Plan. Cancel Anytime.



    Stream 80,000+ hours of the best in TV, movies, and sports.

    • New & Hit Shows, Films & Originals
    • LIVE Sports & Events
    • Current NBC & Bravo Shows
    • 50+ Always-On Channels
  • Premium Plus

    Everything you get with Premium, plus:

    • No Ads (Limited Exclusions*)
    • Download & Watch Select Titles Offline
    • Your Local NBC Channel LIVE, 24/7

*Due to streaming rights, a small amount of programming will still contain ads (Peacock channels, events and a few shows and movies).