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Series SeasonSeason 1 episodes2026
Killing Grounds: The Gilgo Beach Murders
Miniseries
No season overview available.
Episodes
Each episode has its own detail page.
Episode 147 min2026-04-21
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.
Episode 238 min2026-04-21
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.
Episode 342 min2026-04-21
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.
Episode 445 min2026-04-21
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.