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A Friend, a Murderer

7.5
2026
1 Season • 3 Episodes
DocumentaryCrime
Watch on Netflix

Overview

A Danish town feared a serial criminal for eight years. When caught, Amanda, Nichlas and Kiri discovered the perpetrator was their close friend who'd committed assaults, kidnappings and murder while spending time with them.

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Reviews

AI-generated review
The Geography of Betrayal

There’s a particular silence that settles over a room when you understand that the person across from you, the one who shares your coffee, your jokes, the small comfort of an ordinary Sunday, was never who you thought they were. It isn’t a grand movie revelation. No dramatic score, no clean flash of insight. It feels more like memory slowly turning against itself. That’s the ground covered by the five-episode documentary series *A Friend, a Murderer*. It follows the devastating realization inside a Danish community that the figure they had feared for eight years, a serial predator, kidnapper, and killer, was not some faceless stranger lurking out there. He was sitting at the table with them.

A moody, atmospheric shot of a desolate Danish landscape, hinting at the hidden darkness within ordinary settings

The series focuses on three friends, Amanda, Nichlas, and Kiri, whose lives were permanently split open by learning who their friend really was. Watching it, I kept running into an uneasy feeling: the show refuses the lurid rush that so much true crime depends on. There’s no excited re-enactment of violence, no indulgence in spectacle. What it offers instead is something colder and more intimate, almost an investigation of friendship itself. The camera stays, sometimes for an uncomfortably long time, on the faces of these three as they try to reassemble their own pasts. They’re not simply recounting trauma. They’re dissecting their own judgment.

I was reminded of the way *The Guardian*’s critic Rebecca Nicholson described similar "post-crime" documentaries, noting they often focus on "the shrapnel that lands on the survivors long after the explosion." *A Friend, a Murderer* has little interest in the machinery of the police investigation. Most of those procedural details stay pushed to the edges, like radio static in another room. The real subject is what happens when you look back at a photograph from your own life and can no longer make sense of the person smiling in it.

A close-up of a person looking thoughtfully through a window, capturing the theme of reflection and haunting uncertainty

Look at Amanda’s hands when she talks about those final interactions. They’re stiff, guarded, almost as if her body is still bracing against a memory it can’t fully expel. The series becomes a quietly devastating study in cognitive dissonance. We like to believe we’d know evil if it entered our orbit, that something in us would react, that the air would change. This show lands like a cold slap. It argues that evil doesn’t always bother with a mask. Sometimes it shows up wearing the easy, familiar shape of a best friend.

Maybe the most disturbing thing here isn’t the crimes themselves but how ordinary the perpetrator’s place in this group had been. They traveled together. They confided in one another. When the series cuts to archive footage of them laughing in some bright, forgettable room, it hits hard. It makes your own sense of perception feel less reliable than you want it to be. If people can miss this kind of darkness in someone they love, what else passes unnoticed?

A stark, empty interior space, suggesting the void left behind when trust is shattered

I came away unsure whether the series offers anything like closure, or whether it simply traces the outline of a wound that never really seals. By episode five, whatever urgency the "mystery" once had is gone, replaced by a heavier and more lingering question: how do you go on when the memory of companionship itself has been poisoned? The filmmakers don’t try to tie it up neatly. They leave us where the subjects seem to live now, in the quiet, staring at the empty chair where a friend used to be, trying to work out how to exist after such a complete and terrifying betrayal. It isn’t an easy watch, but it is a necessary one. A reminder that the most frightening monsters aren’t hiding under the bed. They’re the ones you once welcomed in for tea.