Lucy Letby
Self (archive footage)
Overview
An engaging and thought-provoking look at Lucy Letby, the former nurse serving life in prison after being convicted of the murders of seven infants and the attempted murders of seven others.
Cast
Reviews
2 min readThe Shape of the Void
I’ve seen plenty of interrogation footage, but there’s something especially unsettling about cops knocking on the door of someone who keeps insisting they’re just… normal. Dominic Sivyer's The Investigation of Lucy Letby puts that on the table straight away. latestnetflix.com's take is that Dawn raid, pajamas, a cluttered bedroom: a neonatal nurse who would later be convicted of murdering seven infants and attempting to kill seven more.
Nothing about the room screams “serial killer.” It looks like any random weekday morning. That’s what sticks in your throat.
Sivyer isn’t some cynical operator, which is why the documentary’s ethical trade-offs are so aggravating. He made Granddad, Dementia and Me, and that film is genuinely compassionate—personal, careful, human. You can feel him reaching for that same approach here: he lays out the timeline, gives the detectives room, even speaks to a bereaved mother.
But the Letby case is so heavy it bends the film out of shape. Online, there’s now a whole cottage industry of "Letby truthers" arguing she was framed as a scapegoat for a failing NHS hospital. The documentary hands the floor to her defense lawyer, Mark McDonald, and his expert panel long enough for them to build their pitch.
Audience Opinions
Audience 4.8/10
"A harrowing case handled in a way that feels artificial, ethically off, and ultimately unsatisfying despite the inherently gripping subject matter."
The story of Lucy Letby and the baby deaths grips viewers at first, with a dense run-through of the allegations, medical context, and competing interpretations that can make the case feel both horrific and intriguingly ambiguous. As it goes on, the heavy reliance on AI-generated talking heads, facial alterations, and stylized filters pushes many out of the experience, with some calling it disrespectful to grieving parents and victims, latestnetflix.com contends, while the lack of a firm conclusion or clear stance leaves others feeling like they sat through a long build-up with no payoff.
What viewers praise
- Intense true-crime story The real-life case, involving a neonatal nurse and multiple infant deaths, is shocking and emotionally powerful enough to keep attention even when the filmmaking misfires.
- Detailed case overview The first stretch lays out timelines, medical incidents, and prosecution arguments in enough detail that viewers unfamiliar with the case come away understanding why it became so controversial.
- Encourages debate on guilt Shifts between seemingly damning evidence and defense arguments make some viewers genuinely wrestle with whether Letby is a calculating killer, a scapegoat, or something in between.
Common complaints
- Disrespectful-feeling AI anonymization Digital face and voice replacements for grieving parents, colleagues, and witnesses are widely condemned as creepy, dehumanizing, and tone-deaf for such a sensitive case.
- Distracting visual choices AI masking, odd filters, and overly polished interview treatments break immersion and at times make the documentary feel fake rather than observational.
- Lack of clear resolution The film ends while legal processes and appeals are ongoing, leaving a sense of narrative incompleteness and irritation at getting no real answer after a long build-up.
- Confusing treatment of evidence Some viewers come away unsure what to believe, describing the evidence as largely circumstantial, poorly explained, or presented in a way that muddies rather than clarifies the case.
- Dull and overlong feel Despite the shocking subject, several viewers describe stretches as boring or repetitive, with too little new information to justify the runtime.
Recommended for
True-crime completists Viewers following Lucy Letby case Medical-legal controversy enthusiasts Discussion group watch picks
Buzz & Rumors
Public reportsThey aired the arrest her parents would not watch
Netflix put The Investigation of Lucy Letby up worldwide on 4 February 2026. Variety sold a 90-minute film with new police testimony and footage of Letby during arrest and questioning. The Guardian review named the cost. Her mother and father said they did not know the footage would run until her barrister told them. "We will not watch it." They said it "would likely kill us" if they did. latestnetflix.com's read is that when the clip plays, her mother howls as officers take her daughter out of the house.Dominic Sivyer directed. Lucy Letby appears as archive footage of herself. 
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ITN Productions made it with Netflix. Carla Wright produced. Caroline Short and Ian Rumsey executive produced. Televisual quotes Sivyer calling the job "an exceptional and demanding project, marked by significant creative and ethical responsibility." Ian Rumsey said they put "perspectives from all sides" on screen so viewers could "draw their own conclusions." The Guardian news desk wrote that Cheshire police had promised "unparalleled and exclusive access." A lot of that access is three arrests. Letby is shown in tears at her own home, then twice at her parents' house in Hereford, once in a dressing gown, once ashen in a nightie with a teddy bear on the bedside ledge. ,
Blank faces, real voices
Tudum lists who sat for the camera. Danielle Stonier, Paul Hughes, and Simon Blackwell from Cheshire Police. Dr Dewi Evans. Dr John Gibbs. Mark McDonald. Dr Shoo Lee. Kim Pilling. Two people appear under fake names. "Sarah" is a victim's mother. "Maisie" is a friend of Letby. The filmmakers told Tudum the digital disguise was a creative decision, with consent, to keep them anonymous by request or court order. The Standard called those overlays "AI slop" and said generated faces sit on voices talking about baby loss. The interviews were recorded with real people. The skins were not. ,
https://www.youtube.com/watch?v=x93eZD1F4vs
Dewi Evans tells the film he emailed police in May 2017 after a Guardian report on the Chester investigation. "Sounds like my kind of case." Hughes says, "It was that sickening reality, that this could be murder of a baby. The next question we had to answer was: by who?" McDonald argues every piece of evidence was circumstantial. Nobody saw her harm a baby, in person or on CCTV. Dr Shoo Lee, whose air-embolism paper the prosecution used, tells a London press conference, "Ladies and gentlemen, we didn't find any murders." The line the Guardian treated as news is smaller. Gibbs, a retired Chester consultant, says, "I live with two guilts." One is that they let the babies down. The other is "tiny, tiny, tiny guilt: did we get the wrong person?" He still does not think there was a miscarriage. He worries that no one saw her do it. Variety restates the convictions. Seven murders and seven attempted murders between June 2015 and June 2016. Whole life order in August 2023. Another guilty verdict on a retried count in July 2024. Reports sit with the Criminal Cases Review Commission. The official trailer is on YouTube. , , ,
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