
Robert Phillip Hanssen was a senior FBI Special Agent with more than 27 years of experience. He was arrested in Vienna, Virginia in February of 2001 on charges of espionage related to the KGB.

John Anthony Walker, a retired Navy Warrant Officer, was arrested May, 1985 for spying for the USSR.

David Greenglass, Doovey, was born in 1922. He was the younger brother of Ethel Greenglass Rosenberg. David was inducted into the army in 1943. Soon after, David was selected to be a part of the Secret Manhatten Project, whose purpose was to develop the atomic bomb. David passed on information through his wife, Ruth, to Julius Rosenberg, his brother-in-law. He continued this until he left the army in 1946. Greenglass recieved a 15 year sentence for his espionage activity. He agreed to testify against Julius and Ethel in exchange for immunity for his wife. In 1990, David Greenglass was released from prison. When asked if he would have done anything differently, Greenglass replied, "Never."
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George Von Trofimoff was a 74 year-old retired US Army Reserve Colonel when he was arrested in Tampa, Florida on June 14, 2000 for espionage on behalf of the USSR.

Harry Gold- In 1935, Gold began to steal industrial formulas from the Pennsylvania Sugar Company. He had been asked by his close friend, Tom Black, to assist the Soviets with the formulas. Gold soon began to drink heavily and was sloppy about hiding incriminating evidence. Although Gold knew the FBI were going ot search his home, he did not try to hide any of the evidence, making many believe he had wanted to be caught. Gold confessed to the FBI and recieved a 30 year prison term. Gold was believed to have begun his espionage activities after being abused by his school mates for being the son of a poor Russian Jewish immigrant. Espionage was a means of escape from his rough life.

Ruth Greenglass
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