

Killing Grounds: The Gilgo Beach Murders
Miniseries
Created by:
Network: Prime Video
Season aired: 2026-04-21
Overview
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.
Episodes · 4

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.

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.

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.

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.












