'The TikTok Killer' Review: Uncovering the Digital Footprints of a Killer and Esther Estepa's Tragic Fall into a Web of Lies

Published 03/04/2026, 11:30 AM EST

A digital traveler with a dark secret uses the very platform that made him famous to cover his tracks. This story explores how a convicted serial killer traded his prison cell for a TikTok profile, only to be hunted by the digital breadcrumbs he left behind. Netflix has masterfully captured this chilling transformation in its latest true-crime coverage. The docuseries, The TikTok Killer weaves together a narrative of a family’s grief and the terrifying reality of a predator hiding in plain sight.

(Warning: There are spoilers ahead. Reader discretion is advised.) 

Before diving into what is shown by Netflix docuseries first a viewer should know what makes it a must watch?

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Should you watch The Tik Tok Killer?

The real-life arrest of José Jurado Montilla (the man about whom the docuseries is based) occurred in May 2024 after a complex investigation involving DNA and digital tracking. This docuseries, The TikTok Killer is a must-watch for those interested in how modern technology can both aid a criminal and eventually secure their downfall. It provides a sobering look at the 2023 disappearance that shocked Spain and led to the capture of the TikTok Killer.

Viewers should be prepared for a difficult experience, as the series includes authentic footage from Montilla’s own social media accounts. The production team skillfully integrates grainy archival videos and personal photographs to contrast the killer's cold nature with the vibrant life Esther Estepa (victim) lived. By utilizing these original digital traces, the filmmakers force the audience to confront the reality that a predator's content was being produced alongside his c----.

The production highlights the unsettling gap between a curated online persona and a violent criminal history.

Episode 1 of The Tik Tok Killer ,The Last Message

As the digital facade begins to crack, a family's desperate search for a missing daughter uncovers a monster.

A family’s intuition: When Esther Estepa disappeared in May 2023, her family refused to accept the silence from the Spanish authorities. The breakthrough occurred when her sister noticed a glaring spelling mistake in a text message purportedly sent by Esther. Because Estepa was meticulous with her grammar, the family immediately realized a stranger was operating her phone to mislead them.

The TikTok connection: Esther Estepa was a free spirit who had recently ended a relationship and was staying in a shelter while looking for work. During this transition, she crossed paths with José Jurado Montilla, a charismatic figure known for his travel videos. Montilla had cultivated a significant following, portraying himself as a peaceful wanderer to his unsuspecting audience. The family soon realized that the man posting scenic vistas was the last person to see Esther alive.

A history of violence: As the public watched his videos, the family uncovered a terrifying truth about Montilla’s identity. He was not just a traveler; he was a man with a documented history! It soon became clear that the man behind the screen was not a harmless influencer, but a man with a lethal past.

Everything Releasing on Netflix in March 2026

The digital footprints left by an influencer eventually lead authorities to a graveyard of secrets from the past.

Episode 2 of The Tik Tok Killer, The Criminal Influencer

Investigators soon discovered that José Jurado Montilla was a convicted serial killer who had previously served twenty-eight years for four murders in the 1980s.

Unmasking the serial killer: The investigation revealed that Montilla had already served 28 years in prison for four murders committed in the 1980s. He had been released in 2013. Despite his past, he successfully reinvented himself as a quirky, harmless grandfather figure on social media platforms.

Digital deception and motive: Montilla used Esther Estepa’s phone to send fake messages to her mother, claiming she had moved to Argentina to start over. His primary motive was to buy himself enough time to flee while maintaining his wholesome online persona. He banked on the hope that her family would stop looking if they believed she had moved away.

Forensic breakthroughs: Authorities eventually tracked Montilla’s movements by analyzing the metadata and locations of his persistent TikTok uploads. The forensic team discovered Esther's remains in a field in Gandia, Valencia, providing the physical evidence needed for an arrest. The investigation also recovered files from his phone that contained incriminating evidence of his crimes.

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Montella's confidence in his own cleverness led him to revisit the crime scene, showcasing a chilling lack of remorse. He meticulously documented his crime scenes, playing an innocent, weaving a web of deceit that seemed impenetrable. His calm and collected demeanor, captured in his own videos, reveals a sinister nature that is both fascinating and terrifying. The documentary expertly peels back the layers of his facade, exposing the flawless liar beneath.

The intersection of a violent history and modern technology creates a cautionary tale for the age of social media. One should be extremely careful when engaging with strangers on social media, as a high follower count does not equate to a safe character. The series, The TikTok Kil, is a necessary watch for true crime fans, but it serves as a sobering warning about the reality of human nature. Do not forget watch and discover the chilling true story of how a Spanish serial killer used TikTok to hide his crimes before being caught by digital forensics.

Netflix’s ‘Evil Influencer’ Review: Is Watching the Disturbing True Crime Doc Worth the Pain?

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What do you think about watching the docueseries which opens dark door of social media and its users? Let us know in the comments.

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Soma Mitra

1010 articles

Soma is a journalist at Netflix Junkie. With a postgraduate degree in Mass Communication, she brings production experience from documentary films like Chandua: Stories on Fabric. Covering the true crime and docu-drama beat, she turns psychological thrillers into sharp, audience-aware storytelling.

Edited By: Aliza Siddiqui

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