Killing Grounds: The Gilgo Beach Murders

NC162026•43m•6.8/10

DocumentaryCrime

Ratings

🎬TMDb

6.8/10(5)

When a woman vanishes, police find bodies along Long Island's shore. Years of dead ends and overlooked victims stall the case until a new task force spots a suspect hiding in plain sight. With trial looming, insiders and families speak.

Open in PickFlick

Production

The Nacelle Company, Empress Films

Language

Status

Ended

First Aired

April 21, 2026

Last Aired

April 21, 2026

Networks

Prime Video

Trailers & Videos

Where to Watch

Region US · Lang EN

No providers available for this region.

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Seasons & Episodes

Select a season to view episodes. Reddit links may contain spoilers.

Season

Part One

Air date: 2026-04-21

While searching for a missing woman on Long Island, police uncover a hidden burial ground. As families demand answers, investigators begin to realize a serial killer may have been operating unnoticed for years.

Part Two

Air date: 2026-04-21

After years of stalled leads and system failures, a new task force reopens the Gilgo case, unearthing phone records, witness accounts, and vehicle clues that all point to a suspect who's been hiding in plain sight.

Part Three

Air date: 2026-04-21

A year of surveillance and clandestine DNA sampling leads to Rex Heuermann's arrest. As investigators dig deeper, other victims are connected as terrifying new evidence is revealed.

Part Four

Air date: 2026-04-21

A disturbing document recovered from Rex Heuermann's computer reveals what looks like a detailed murder plan. Investigators add victims and trace links far beyond Long Island. Ahead of the trial, a court ruling reveals the path forward for the case.