Should I Marry a Murderer?

2026TV-MA1 seasons3 episodesDocumentary, Crime

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.

Seasons

Episode 1

Part 1

Apr 29, 202650m

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

Episode 2

Part 2

Apr 29, 202644m

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.

Episode 3Latest episode

Part 3

Apr 29, 202656m

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.