Watch Killing Grounds: The Gilgo Beach Murders (2026) Series Online Free

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1. Part One

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.

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E2 38 min

2. Part Two

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.

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E3 42 min

3. Part Three

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.

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E4 45 min

4. Part Four

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.

Killing Grounds: The Gilgo Beach Murders poster

Killing Grounds: The Gilgo Beach Murders (2026)

6.8 (5) 1 Season 43m/ep 2026-04-21 GB, US

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.

Genres: Documentary, Crime

Stars: N/A