The Investigation of Lucy Letby

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The Investigation of Lucy Letby

2026

1h 30m

Documentary

Crime

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Watchlist

Tomatometer

Popcornmeter

60%

Tomatometer

10 Reviews

14%

Popcornmeter

50+ Ratings

Unseen footage and unheard insider accounts reveal the harrowing and divisive case of Lucy Letby, the neonatal nurse convicted of fatally harming infants.

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Imogen West-Knights

Slate

Feb 11

The film is an interesting and uncomfortable document of whose privacy is deemed important in a case like this.

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Wendy Ide

Observer (UK)

Feb 10

With no new revelations pertaining to the case, the main talking point from this documentary looks likely to be the footage of the arrests. Bar the noise and the rubbernecking, there is little of real substance to add about the harrowing case.

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Ben Dowell

The Times (UK)

Feb 7

3/5

This film had all the excellent footage (including police interviews) and the exclusive sit-downs you might want.

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Stephen Silver

The SS Ben Hecht

Mar 6

The film feels the need to use bizarre AI tech to recreate witness interviews, which just looks silly.

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Carla Hay

Culture Mix

Feb 11

It does a fairly adequate job of presenting both sides of whether or not convicted child murderer Lucy Letby is guilty of the crimes that sent her to prison for life. Previously unreleased police footage is the main reason to watch.

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Barbara Shulgasser

Common Sense Media

Feb 10

2/5

Given the use of AI to "create" characters making assertions about Lucy and the case, this feels like an exercise in hoodwinking.

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Kaycey G

@RT87127766 Jul 4

Unfortunately The AI in this is really disappointing. We don’t want AI! We want real people.

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Emily T

@RT46141315 Jun 30

Why are you using AI? There are plenty of artist who can draw renditions of the people in the story. It’s uncanny and I would love someone else to cover this story .

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Travis F

@RT86812696 Jun 26

i liked this but everything was new to me. so I didn't experience the 'nothing new' vibe that it seems like everyone else did. interesting story for sure. so if you don't know too much about this case, you'll probably enjoy it.

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Harry F.

@RT86741986 Jun 24

Stunk. Weak case, whole vibe was wack, the AI mask on the parents faces was weird and to make it even worse it was all British. Stunk

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Sedale S.

@sedale143 Apr 18

Netflix using snapchat filters for anonymity instead of covering them in no lighting is a freaking wild to unnecessarily waste money. Also, such a boringly made documentary about a serious crime and for it to not be taken seriously is so infuriating.

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Hayley W

@hayleymovies Apr 17

This documentary didn’t add much new information to the case of Lucy Letby. I felt the documentary makers tried to even out the damning evidence of her guilt with her friends’ testaments of her good character, but if they were going for suspense, it would have been both stronger for her case and more interesting if they spent more time explaining the defense’s arguments. Hearing her friend talk in circles about how Lucy couldn’t have been guilty was excessive. Also, the use of AI to obfuscate the identity of some of those interviewed was poorly done and really distracting. I could not finish this documentary.

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Dominic Sivyer

Director

Carla Wright

Producer

Caroline Short

Executive Producer

Ian Rumsey

Executive Producer

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Synopsis

Unseen footage and unheard insider accounts reveal the harrowing and divisive case of Lucy Letby, the neonatal nurse convicted of fatally harming infants.

Director: Dominic Sivyer
Producer: Carla Wright
Distributor: Netflix
Production Co: ITN Productions
Genre: Documentary, Crime
Original Language: British English
Release Date (Streaming): Feb 4, 2026
Runtime: 1h 30m