For decades, the name MKUltra has become synonymous with government mind control, secret CIA experiments, and Cold War conspiracy theories. But behind the headlines lies a true story that is even more unsettling.

This episode follows the life of Dr. Donald Ewen Cameron, one of the most respected psychiatrists of the twentieth century. As president of the American, Canadian, and World Psychiatric Associations, Cameron wasn’t a fringe scientist—he was one of the most influential figures in modern medicine. Driven by the belief that mental illness could be cured by erasing and rebuilding the human personality, he developed radical techniques including prolonged drug-induced sleep, intensive electroconvulsive therapy, sensory deprivation, and a controversial method known as “psychic driving.”

At the center of this story is Linda MacDonald ...