Netflix releases documentary on love story that uncovers a killer

7 articles · Updated · BBC.com · Apr 28

The documentary, 'Should I Marry a Murderer?', follows Dr Caroline Muirhead, who exposed fiancé Alexander McKellar’s role in the 2017 murder of cyclist Tony Parsons in Argyll and Bute, Scotland.
Muirhead secretly cooperated with police for nearly three years, leading to the brothers’ arrests and eventual convictions, while also facing emotional turmoil and challenges with police support.
The series highlights the psychological toll on witnesses, critiques police handling of Muirhead’s case, and aims to spark discussion on mental health and victim protection in the justice system.

How did a pathologist’s secret recordings expose her fiancé's three-year-old murder?

What systemic failures left a key witness feeling completely abandoned by the justice system?

Since one brother is already free, what does 'justice' now mean for the victim's family?

Why was the key witness in a murder investigation arrested on the first day of the trial?

With the killer eligible for parole in 2027, has the justice system failed his victim?