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Killing Grounds: The Gilgo Beach Murders (2026)

Season 1 • Episode 4 • Part Four

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Killing Grounds: The Gilgo Beach Murders Season 1, Episode 4: Part Four

0 0 • 45 min • 6.8/10

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. Watch Killing Grounds: The Gilgo Beach Murders Season 1, Episode 4 Part Four in HD free online. Enjoy high-quality streaming of Killing Grounds: The Gilgo Beach Murders Season 1, Episode 4 and share your thoughts in the comments below!

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Episodes

4 episodes
Miniseries
Part One
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.

47 min
Part Two
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.

38 min
Part Three
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.

42 min
Part Four
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.

45 min