Still image from new Netflix documentary, “The Investigation of Lucy Letby”.

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Billie Melissa

By Billie Melissa

Contributing Entertainment Writer

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Netflix is adding to its already bursting catalog of True Crime documentaries with "The Investigation of Lucy Letby", a feature-length film following the case of Lucy Letby, a British neonatal nurse who was found guilty of murdering seven babies and attempting to murder seven others under her care.

Kept well under wraps, not even having a page on IMDb, the documentary boasts never-before-seen footage from Letby's arrests and police questioning, as well as the mother of one of the victims speaking for the first time publicly.

Still image from new Netflix documentary, "The Investigation of Lucy Letby".

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Netflix shared the trailer on Instagram, with the following caption:

THE INVESTIGATION OF LUCY LETBY comes to Netflix 4 February. Unprecedented access, footage and insight into the conviction of a British neonatal nurse who was found guilty of murdering seven babies

'The Investigation of Lucy Letby' Documentary – How to Watch

"The Investigation of Lucy Letby" will be available to stream on Netflix from February 4, 2026.

A Netflix subscription is required to stream "The Investigation of Lucy Letby". A standard subscription with ads is $7.99 per month, and a standard no-ads subscription starts at $17.99 per month.

'The Investigation of Lucy Letby' Trailer

Netflix has released the official trailer for "The Investigation of Lucy Letby", a feature-length film diving deep into the case of the British neonatal nurse.

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https://www.instagram.com/reel/DTz37oDERpv/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==

'The Investigation of Lucy Letby' Release Date

It was announced today that "The Investigation of Lucy Letby" will be released on Netflix on February 4, 2026.

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