In this episode, we dive deep into the lives of Elizaveta and Vasili Zarubin, the Soviet Union’s most notorious espionage power couple. From their early days in pre-WW2 Soviet Russia to working in key positions in Europe, China, and, ultimately, the United States, the Zarubins played a pivotal role in Soviet intelligence during the rise of modern espionage. Discover how their undercover missions influenced global events, including their involvement in the Manhattan Project, as we explore the origins of Soviet spycraft in part one of this two-part special.