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Traitors | The Atomic Spies | 3

American History Tellers

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Uranium and the FBI

In 1950, the FBI interviewed David Greenglass About Uranium thefts from Los Alamos It was common for workers there to steal small, unenriched pieces Of the radioactive metal as souvenirs After the visit, David threw the Uranium he had stolen Into New York's East River. But when Julius heard about his brother-in-law's brush with federal agents He feared that the FBI would soon discover the secret of David's espionage and urged him to leave the country. Meanwhile, the FBI was getting closer to discovering the real source Behind the Soviet atomic bomb Since 1943, a group of government investigators Had been decrypting Soviet diplomatic cables The top secret effort was known as the Vanona Project.

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