Netflix’s New Crime Documentary Is an Active Serial Predator Investigation: What’s the Story and When Does It Premiere?

Published 03/23/2025, 4:05 PM EDT

via Imago

While Netflix's 2025 library offers a variety of genres for all types of viewers, it seems that lately, the platform is not only revisiting old classics or gracing audiences with thrilling series and movies but also focusing on bringing light to the world of crime documentaries that have had a significant impact. Netflix's newest addition in 2025 is set to further spotlight these compelling stories, continuing its trend of offering gripping real-life narratives.

Netflix’s upcoming 2025 documentary Gone Girls: The Long Island Serial K----- is all set to grace the platform

What is the plot, and when will Netflix release the documentary?

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The three-part series Gone Girls: The Long Island Serial K----- premieres on March 31. Investigators uncovered human remains along Ocean Parkway in Suffolk County, Long Island, revealing victims—mostly young women from New York—who had disappeared, many over a decade prior. Initially neglected for over 13 years, the case gained momentum in 2023 with an arrest of a suspected serial k-----. The documentary examines the lengthy investigation and the societal stigma surrounding the victims, which hindered the case’s progress.

via Imago

Director Liz Garbus emphasizes the relentless determination of the victims' families, noting how they had to challenge the system to bring attention to the case. She acknowledges that it should not have been their responsibility, as the system should have protected them. The documentary features conversations with journalists, law enforcement, and loved ones of the victims and the accused. Garbus, known for directing Lost Girls, brings this powerful investigation to light. While Lost Girls covered the same case, it seems Garbus felt it did not fully do justice to the story.

Top 10 Real-Life Crime Documentaries on Netflix Guaranteed to Send Chills Down Your Spine

The drama film Lost Girls and the documentary series Gone Girls: The Long Island Serial K----- share a similar story but offer different perspectives, shedding light on the haunting case from unique angles.

Lost Girls: A 2020 American mystery drama film

Lost Girls is a 2020 American mystery drama directed by Liz Garbus, adapted from Robert Kolker’s book Lost Girls: An Unsolved American Mystery. The film centers on the unsolved slaying of young women working in the s-- trade on Long Island’s South Shore, reportedly by the Long Island serial k-----. Amy Ryan portrays Mari Gilbert, the real-life activist, alongside a cast including Thomasin McKenzie and Gabriel Byrne. Premiered at Sundance on January 28, 2020, is the film available to watch on Netflix?

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Mari Gilbert's determined quest to find her daughter, Shannan, exposes the broader pattern of the unsolved. Liz Garbus’ upcoming 2025 documentary Gone Girls: The Long Island Serial K----- revisits this case, offering a more comprehensive exploration, incorporating additional viewpoints and deeper insights into the investigation, shedding new light on the victims and the decades-long struggle for justice.

The Best of Netflix: 10 Original Documentaries That Are Too Good to Skip

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Are you excited to watch Liz Garbus' new documentary Gone Girls: The Long Island Serial K-----? Let us know in the comments below.

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Yusra Miraj Khan

196 articles

Yusra is a budding content writer with a passion for storytelling and a knack for blending creative thinking with well-researched facts. She’s drawn to celebrity controversies, uncovering the truth behind them, and crafting articles that captivate readers. Known for her keen eye for detail and ability to communicate effectively, Yusra has a proven track record in debate and storytelling competitions.

Edited By: Hriddhi Maitra

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