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Should I Marry a Murderer?

Should I Marry a Murderer?

A Woman Questions Her Relationship After Discovering a Terrifying Secret

  • 2026
  • Crime, Documentary
TheNextHint Score
8.5 8.5 / 10

Overview

True-crime documentaries often explore shocking crimes, but Should I Marry a Murderer? takes a more personal approach by focusing on a woman who discovers a terrifying secret about the man she plans to marry. The three-part series follows Caroline Muirhead as her relationship with Alexander McKellar takes an unexpected turn after he reveals his involvement in a fatal hit-and-run.

Quick Verdict

Should I Marry a Murderer? is a gripping true-crime series that turns a shocking murder case into a deeply personal story. Its emotional perspective, investigative details, and unsettling revelations make it an engaging watch

Where to Watch Should I Marry a Murderer? in the US

Subscription

Should I Marry a Murderer? is a three-part British true-crime series that will premiere in April 2026 on Netflix. The series documents the real-life story of forensic pathologist Dr Caroline Muirhead, after she was contacted by police regarding the death of cyclist Tony Parsons. Muirhead was appalled when he was informed of his involvement in a hit-and-run that took the life of Parsons in 2017, alongside his twin brother, Robert.

The film discusses her interactions with McKellar, his confession, the investigation, and the finding of Parsons’ body. The series is narrated mainly from Muirhead’s point of view, featuring interviews, investigative information, and the emotional toll of a true crime case.

Frequently Asked Questions

Who directed Should I Marry a Murderer?

Should I Marry a Murderer? is directed by Josh Allott.

8.5

TheNextHint Score

8.5 / 10

Should I Marry a Murderer? is a gripping true-crime series that turns a shocking murder case into a deeply personal story. Its emotional perspective, investigative details, and unsettling revelations make it an engaging watch

Rating breakdown

Story
9.0
Acting
8.0
Direction
9.0
Visuals
8.0
Sound
8.0
Entertainment
9.0

Pros

  • The documentary explains how the case eventually came to light.
  • The three-part format keeps the story moving without feeling too stretched.

Cons

  • The story mainly focuses on Caroline’s experience.

Should I Marry a Murderer? is worth watching if you enjoy true-crime documentaries based on real investigations.

Should I Marry a Murderer? is a compelling choice for viewers who enjoy true-crime stories with an emotional and personal side. The series stands out because of its unusual premise, real-life investigation, and focus on the shocking discovery within a relationship.

Final Score: 4.3 / 5

Who Should Watch

  • Gripping true story
  • Interesting investigation

Who Should Skip

  • Limited perspectives
Release Date
2026-04-29
Director
Josh Allott
Cast
Caroline Muirhead, Sandy McKellar, James O'Kelly, Stephen Muirhead
Age Rating

Cast & Characters

  • Caroline Muirhead

    as Self

  • Sandy McKellar

    as Self

  • James O'Kelly

    as Self

  • Stephen Muirhead

    as Self

  • Ninon Noiret

    as Caroline Muirhead

Trailer

Sources & References

Fact checked by Aanya Jain Last fact checked: September 25, 2026

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