Filmmaker Josh Zeman joins Killer Thriller to revisit The Killing Season, the groundbreaking docuseries that took viewers inside the investigation into the Gilgo Beach murders years before a suspect was arrested. Josh opens up about the victims whose cases were overlooked, the failures and infighting that plagued the investigation, and what his team uncovered while following the trail of missing women and suspected serial killers along Long Island’s South Shore. He also reflects on the emotional toll of working alongside victims’ families and reveals a crucial clue his team discovered during the making of The Killing Season that he wishes they had pursued further.