The Lengthy Island Serial Killer: A Mom’s Hunt for Justice tells the story of Mari Gilbert’s seek for the reality behind what occurred to her daughter Shannan, a someday escort who disappeared after a ‘date’ on Lengthy Island. After Shannan (Katharine Isabelle, Hannibal) fails to come back dwelling, her mom Mari (Kim Delaney) is aware of one thing is extremely flawed. Pleading to police to take her considerations critically, she retains pushing the police for solutions. Mari’s insistence that her daughter not be ignored finally results in a horror hidden on Lengthy Island for greater than a decade – 19 our bodies of younger ladies found buried in shallow graves alongside Ocean Parkway within the space of Jones Seashore State Park.