For half a century, the case of Isaiah Oggins, a 1920s New York intellectual brutally murdered in 1947 on Stalin’s orders, remained hidden in the secret files of the Soviet and American intelligence services—a footnote buried in the rubble of the Cold War. It surfaced briefly in 1992, when Boris Yeltsin handed over a dossier to the White House, but the full story of what happened remained a mystery. After eight years of international sleuthing, Andrew Meier at last reveals the truth in : Oggins was one of the first Americans to spy for the Soviets.