In the second part of this two-part episode, Grace discusses other areas in the country who have seen the same pattern of accidental drownings of young men, and dives into a theory backed by two former NYPD detectives and a university professor about a cross-country serial killer gang who they think is responsible.

Sources for this episode:

TikTok: Barstool Chicago – Is there a possible serial killer in Chicago?

Cryptid Antiquarian Blog: Boston’s Mysterious Vanishing Men

Cryptoid Antiquarian Blog: Boston’s Mysterious Vanishing Men Part 2

OnMilwaukee: The Killer Nobody Wants to Talk About

Fox32: New Smiley Face Killer Leads

Milwaukee Magazine: Smiley Face Killers

Gothamist: Retired Cops Suspect Gang Behind Serial Drownings

Heavy: Who Are the Smiley Face Killers

Crime Magazine: Smiley Face Killers Victim Zero