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Should I Marry a Murderer?

Should I Marry a Murderer?
★ 6.7/10•2026•TV-MA•Documentary•Crime
Similars

In 2020, pathologist Caroline Muirhead's fiancé, Scottish farmer Alexander 'Sandy' McKellar, confessed to her that he and his twin brother Robert had killed cyclist Tony Parsons in a 2017 hit-and-run on the A82 near Bridge of Orchy and buried the body on the Auch Estate.

Josh Allott · Director

StatusEnded
LanguageEN
First Air DateApr 29, 2026

Episodes

Episode 1 - Part 1E150m

Part 1

In 2020, a Glasgow pathologist meets a Highland gamekeeper who seems perfect on paper. They're soon engaged — then a confession changes everything.

Apr 29, 2026

Episode 2 - Part 2E244m

Part 2

As Caroline's actions give police a new lead in a cold case, she enters a terrifying double life with the McKellars — and hopes Sandy still trusts her.

Apr 29, 2026

Episode 3 - Part 3E356m

Part 3

Torn between doing the right thing and protecting the man she can't walk away from, Caroline spirals as she desperately tries to avoid the witness stand.

Apr 29, 2026

Actors

Caroline Muirhead

Self

Sandy McKellar

Self (archive footage)

Stephen Muirhead

Self – Caroline's Father

Margaret Muirhead

Self – Caroline's Mother

Ninon Noiret

Caroline Muirhead

James Crouch

Sandy McKellar

Robert McKellar

Self (archive footage)

Tony Parsons

Self (archive footage)

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