"Madness" is a new investigative series from our fellow WBUR podcast, Endless Thread. Told in 5 parts, "Madness" unravels the shocking history of CIA-funded mind-control experiments. In the first episode, Endless Thread presents powerful accounts of abuse at a psychiatric hospital in Montreal, and introduces the renowned doctor who conducted these disturbing experiments on his unwitting patients. Tell us what you think of Last Seen! Please fill out our short survey.