Don Mahar who authored Shattered Illusions: KGB Cold War Espionage in Canada — talks about the case that lasted forty years.  Don’s book is the true account of the lives of the two men at the center of an espionage operation during the early years of the Cold War.   Yevgeni Brik and James Morrison were central figures in what was considered one of the most important Cold War operations in the West at the time. Their story, which involves espionage, intelligence tradecraft, Intelligence service penetrations, double agent scenarios, and betrayal is a piece of Canadian Cold War intelligence history that had never been fully told.