In the 1970s, historian John Earl Haynes was researching the American labor movement when he discovered interesting connections to the Communist party. Fast forward 20 years to the 1990s, when that ongoing research on the Communist party led him into the murky world of Soviet espionage. SPY Historian Mark Stout sits down with this groundbreaking historian to look back on his career and learn how he became a leading and unlikely expert on Soviet espionage in the America. Follow along on this fascinating journey from Minnesota, to the halls of power in Washington DC, to dusty archives in Moscow.