Hundreds of people who were experimented on at the Allan Memorial Institute over the course of two decades are all connected to one man: Dr. Ewen Cameron. In this episode, we look at how Cameron rose to prominence in his field and investigate the surprising origins of his treatment program.

This episode is part of "Madness: The Secret Mission for Mind Control and the People Who Paid the Price," a five-part investigative series from Endless Thread that unravels the shocking history of CIA-funded mind-control experiments.