Multiple human remains have been discovered throughout Long Island since the early 1990s — stretching from Manorville to Gilgo Beach. Authorities believe it might be the work of what many refer to as The Long Island Serial Killer. But since the case has gone unsolved for over two decades, amateur detectives have congregated online to help solve the case themselves. In the absence of answers — theories range from one serial killer to multiple killers — or a death cult or a snuff club. Some believe it’s a local carpenter, some believe it’s a doctor, while others believe it’s the work of a police officer — or they could all be working together to kidnap young women and discard their bodies throughout the area.  Learn more about your ad choices. Visit megaphone.fm/adchoices