The latest installment in the Monster franchise, Monster: Hunting the Long Island Serial Killer follows filmmaker Josh Zeman as he sets out to find New York's most notorious killer since the Son of Sam. Decades or eluding authorities, nearly a dozen bodies, and a system incapable of catching him, until now. Coming November 17th from Tenderfoot TV and iHeartPodcasts.

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When Rex Heuermann is arrested for the Gilgo Beach murders, filmmaker Josh Zeman revisits the chilling clues uncovered in his documentary, The Killing Season. From Shannan Gilbert’s disappearance to the discovery of ten bodies along Ocean Parkway, Josh explores how this mystery eluded investigators for over a decade.

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Through the heartbreaking stories of The Gilgo Four a damning pattern emerges. In revisiting old interviews Josh reveals how every clue needed to catch the Long Island Serial Killer was hidden in plain sight within these four women's cases, yet somehow slipped through investigators' hands. Was this oversight due to corruption or something far more nefarious?

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For years, investigators and the public were divided: was Long Island dealing with one serial killer or two? In this episode we reveal how the different dump sites, conflicting methods, and even a bitter public feud between Suffolk County's police commissioner and district attorney created chaos that may have allowed LISK to keep hunting.

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Why Ocean Parkway? Did Rex Heuermann's passion for duck hunting transform an isolated marshland into a dumping ground? When prosecutors charged him with Sandra Costilla's 1993 murder, pushing the killing spree back three decades, a chilling question emerged, if Sandra was the only victim not found along Ocean Parkway, and Rex allegedly hunted across Long Island and beyond, how many more trophy gardens are still waiting to be discovered?

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Inside Rex Heuermann’s alleged “planning document,” Josh finds a chilling blueprint for murder. Through interviews with Rex's childhood friend and expert insight, this episode explores how childhood trauma and an obsession with serial-killer lore may have shaped a meticulous predator who learned and evolved. Could this mean the victim count is far higher than we imagined?

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Why did it take so long to catch LISK? In this episode Josh revisits his 2015 interview with Dave Schaller, which has never been heard before, and with the help of Robert Kolker and Gus Garcia-Roberts, he investigates how corruption, cover-ups, and toxic leadership within Suffolk County law enforcement may have buried the tip of the century -- a Green Chevrolet Avalanche.

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