In this gripping and unnerving installment of Strange Curiosity, the Klinge Brothers confront the lingering presence of one of America's most notorious serial killers—decades after his death. What begins as an exploration into bizarre coincidences and overlapping histories soon spirals into a chilling investigation that blends true crime with the paranormal. Through a mix of interviews, historical research, and boots-on-the-ground paranormal investigation, they document intense activity that defies explanation. From unexplained voices and physical manifestations to a sense of malevolent energy that refuses to fade, the Klinge Brothers push the boundaries of what we know about life after death—and the darkness some spirits leave behind. This is the investigation and documentary that inspired a book and a maelstrom of interest in this bizarre haunting. A Killer Coincidence isn’t just about the past—it’s about what lingers.