Should I Marry a Murderer? is quite the title for a true-crime docuseries.
Of course, Netflix knows how to deliver a good documentary. From Louis Theroux’s Inside the Manosphere to Trust Me: The False Prophet, if there’s one thing the streaming giant understands, it’s how to turn a shocking crime into a bingeable, chart-topping hit.
And there’s no sign of it slowing down. Their latest documentary series looks set to continue that streak, exploring a shocking real case of love, betrayal, and justice. This time it’s all about Should I Marry a Murderer?, whose title got us hooked without any further info. A Netflix caption reads, “A fiancée turned key witness reveals how she stayed engaged to a man accused of murder while gathering evidence against him in this documentary series.”
A crushed can left to mark the location of a grave, revealed in Should I Marry a Murderer?
Cr. Courtesy of Netflix © 2026
Consider your next weekend watch sorted.
What is Should I Marry a Murderer? about?
The synopsis reads:
“Three years after a violent crime is committed and carefully concealed, a young forensic pathologist, Caroline Muirhead, meets a man on a Tinder date and quickly falls in love. Their whirlwind romance leads to an engagement–and a future that feels certain. But her fiancé is hiding something horrific. When he finally confides in her about a brutal killing and a body that was never found, Caroline is forced into an unthinkable position. Stay loyal to the man she loves—or risk everything by telling the truth?”
Caroline Muirhead and Alexander McKellar, the subjects of the true-crime documentary Should I Marry a Murderer?
Cr. Courtesy of Netflix © 2026
The documentary will explore the moment Caroline discovered the truth about the murder, after her partner Alexander “Sandy” McKellar knocked down and killed a cyclist before attempting to cover up the crime. The victim, Tony Parsons, was initially reported missing after he disappeared without a trace, leaving his family searching for answers. Three years later Sandy confessed everything to his fiancée, Caroline.
Alexander “Sandy” McKellar, the Scottish farmer who is the subject of a true-crime story about the murder of cyclist Tony Parsons
Cr. Courtesy of Netflix © 2026
When is Should I Marry a Murderer? released?
The documentary will be released on April 29, so block your calendars for that Wednesday evening.
Where can you watch Should I Marry a Murderer?
Should I Marry a Murderer? will be released exclusively on Netflix. You’ll find plenty of other great documentaries on Netflix, including My Octopus Teacher, Tell Me Who I Am, and Reality Check: Inside America’s Next Top Model.
Caroline Muirhead interviewed in Should I Marry a Murderer?
Cr. Courtesy of Netflix © 2026
How many episodes are in Should I Marry a Murderer?
The limited series will consist of three episodes; the first runs 50 minutes, the second 44 minutes, and the finale 56 minutes.
Is there a trailer for Should I Marry a Murderer?
There’s a trailer for this new docuseries, and it’s explosive to say the least.
In it, Caroline can be heard saying: “’Imagine you fall in love with someone who made you feel accepted, wanted, seen, who made you feel whole and loved and special, and you are just so happy.” She adds, “And then they say to you, ‘I’ve done a horrible, horrible thing.’ Something so vile it flips your entire world upside down.”
She then asks, “To remain in love you have to keep this secret that you know is going to destroy you. But if you reveal it, then you destroy everything. I mean, what would you do?”
We’ve got chills.
A version of this article was originally published by Glamour UK. Should I Marry a Murderer? will be released on Netflix on April 29.
