David Greenglass, spy who testified against Rosenbergs, dies at 92

Los Angeles Times | October 14, 2014 | 12:26 PM

David Greenglass, the Army machinist-turned-Soviet-spy who was vilified for betraying his country and his sister, Ethel Rosenberg, in the Cold War-era atomic espionage case that ended with the electrocutions of Rosenberg and her husband, Julius, has died. He was 92.
His attorney, Daniel Arshack, confirmed Tuesday that Greenglass died on July 1 “somewhere in New York state,” but declined to give other details.
Greenglass, who spent 10 years in the federal penitentiary at Lewisburg, Pa., as a co-conspirator in the case, knew that history would remember him as the “spy that turned his family in.” He provided the most incriminating testimony in an otherwise weak government case against his sister -- information that, he admitted decades later, had been a lie.
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