In the late summer of 1944, the small town of Mattoon, Illinois, became the epicentre of one of the most bizarre mysteries in American history. Residents reported a series of gas attacks—phantom prowlers using strange fumes that caused paralysis, illness, and widespread panic. Dubbed the "Mad Gasser of Mattoon," the story gripped the town for two weeks, with chilling eyewitness accounts and physical evidence fueling the fear. Then, just as quickly as it began, the attacks stopped, leaving more questions than answers. Was it all mass hysteria, sparked by the tensions of World War II? Or was there a real attacker lurking in the shadows? Join us as we uncover the facts, explore the theories, and ask: What really happened in Mattoon? If you enjoyed this episode, you might also like: