During World War 2, the small town of Mattoon, Illinois erupts into a panic. Some of its residents are falling prey to what seem like random gas attacks from an unidentified assailant. But who is the man known as “the Mad Gasser”? And why is he doing this? Is he a local madman, conducting a twisted experiment? A Nazi saboteur? Or something else entirely? Be the first to know about Wondery’s newest podcasts, curated recommendations, and more! Sign up now at https://wondery.fm/wonderynewsletter Follow MrBallen's Medical Mysteries on Amazon Music, the Wondery App or wherever you get your podcasts. New episodes publish for free every Tuesday. Prime members can listen to new episodes early and ad-free on Amazon Music. Or, you can listen episodes early and ad-free on Wondery+. Start your free trial in the Wondery App, Apple Podcasts, Spotify or by visiting https://wondery.com/links/mrballens-medical-mysteries/ now.