Killing Grounds: The Gilgo Beach Murders

Synopsis

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.

First Air Date: 2026-04-21

Last Air Date: 2026-04-21

Number of Seasons: 1

Number of Episodes: 4

Networks: Prime Video

View Technical Specifications on IMDb

Seasons

Miniseries (2026)

No overview available for this season.

Episodes:

Ep. 1: Part One (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.
Ep. 2: Part Two (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.
Ep. 3: Part Three (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.
Ep. 4: Part Four (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.