20/20 Season 46 Episode 36 Long Island Serial Killer ( Air Date 2023-09-08 ) Genre News, Documentary category. Overview "The investigation of the Gilgo Beach murders, featuring interviews with family members of the victims and key players in the case - including Suffolk County Police Commissioner Rodney Harrison and Suffolk County Defense Attorney Ray Tierney.".
20/20 Season 46 Episode 36 Long Island Serial Killer
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