The idea sounds preposterous at first, but a pair of retired NYPD detectives believes that a gang of serial killers are responsible for the deaths of at least 40 young men across 11 states. All of the deaths have previously been determined accidental drownings, but Kevin Gannon, who worked the case of Patrick McNeill's disappearance 11 years ago, and Anthony Duarte believe that the Fordham Univ. student was one of the earliest victims of a......