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'''Amadeo Sabatini''' was an American citizen and [[KGB]] agent who had fought a a non-state combatant volunteer in the [[Spanish Civil War]] together with KGB asset [[Morris Cohen]] as part of the so-called "[[International Brigades]]."

'''Amadeo Sabatini''' was an American citizen and [[KGB]] agent who had fought a non-state combatant volunteer in the [[Spanish Civil War]] together with KGB asset [[Morris Cohen]] as part of the so-called "[[International Brigades]]."

Sabatini was a KGB agent who had served under [[Joseph Katz]] notably in the surveillance and probably the murder of Soviet defector General [[Walter Krivitsky]].<ref>Earl M. Hyde,  

Sabatini was a KGB agent who had served under [[Joseph Katz]] notably in the surveillance and probably the murder of Soviet defector General [[Walter Krivitsky]].<ref>Earl M. Hyde,  

[http://taylorandfrancis.metapress.com/app/home/contribution.asp?wasp=2b5d53ed5f9d474ab1e71e1690546798&referrer=parent&backto=searcharticlesresults,2,1000;homemain,1,1;''Bernard Schuster and Joseph Katz: KGB Master Spies in the United States,''] International Journal of Intelligence and CounterIntelligence, 1999, pg. 42.</ref>

[http://taylorandfrancis.metapress.com/app/home/contribution.asp?wasp=2b5d53ed5f9d474ab1e71e1690546798&referrer=parent&backto=searcharticlesresults,2,1000;homemain,1,1;''Bernard Schuster and Joseph Katz: KGB Master Spies in the United States,''] International Journal of Intelligence and CounterIntelligence, 1999, pg. 42.</ref>

Sabatini passed information on aircraft design and manufacture from [[Jones Orin York]], an employee of [[Northrop Corporation]], to [[Gregory Kheifets]], the KGB San Fransisco [[Rezident]].  Sabatini ceased operations on behalf of Soviet intelligence after coming under FBI surveillance. In June 1944 Joseph Katz attempted to reactivate Sabatini as an intelligence operative.<ref>[http://foia.fbi.gov/venona/venona.pdf FBI Venona file,] pg. 8-9 (PDF).</ref>  

Sabatini passed information on aircraft design and manufacture from [[Jones Orin York]], an employee of [[Northrop Corporation]], to [[Gregory Kheifets]], the KGB San Francisco [[Rezident]].  Sabatini ceased operations on behalf of Soviet intelligence after coming under FBI surveillance. In June 1944 Joseph Katz attempted to reactivate Sabatini as an intelligence operative.<ref>[http://foia.fbi.gov/venona/venona.pdf FBI Venona file,] pg. 8-9 (PDF).</ref>  

In 1949 cryptographers for the [[Army Signals Intelligence Service]] working at [[Arlington Hall]] on [[Venona project]] encryptions of [[Soviet]] wartime cable traffic deciphered covername NICK as Sabatini.  In the spring of 1950, Sabatini began cooperating to a limited extent with the [[FBI]] investigation of Soviet espionage in the [[United States]].  Sabatini kept quiet about Morris Cohen but did point the FBI toward a [[Jones Orin York]] who was simultaneously identified as Venona covername NEEDLE.  When questioned in April 1950, York alleged that a former case officer of his was an Arlington Hall employee named [[William Weisband]]. Army Signals Intelligence Service, which by May 1949 was under the auspices of the new Armed Forces Security Agency (AFSA), suspended Weisband in May.<ref>Robert Louis Benson, and Michael Warner, eds. [https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/venona-soviet-espionage-and-the-american-response-1939-1957/preface.htm VENONA: Soviet Espionage and the American Response, 1939-1957]. Washington, DC: National Security Agency/Central Intelligence Agency, 1996. Laguna Hills, CA: Aegean Park Press, 1996. pg. 12.</ref>

In 1949 cryptographers for the [[Army Signals Intelligence Service]] working at [[Arlington Hall]] on [[Venona project]] encryptions of [[Soviet]] wartime cable traffic deciphered covername NICK as Sabatini.  In the spring of 1950, Sabatini began cooperating to a limited extent with the [[FBI]] investigation of Soviet espionage in the [[United States]].  Sabatini kept quiet about Morris Cohen but did point the FBI toward a [[Jones Orin York]] who was simultaneously identified as Venona covername NEEDLE.  When questioned in April 1950, York alleged that a former case officer of his was an Arlington Hall employee named [[William Weisband]]. Army Signals Intelligence Service, which by May 1949 was under the auspices of the new Armed Forces Security Agency (AFSA), suspended Weisband in May.<ref>Robert Louis Benson, and Michael Warner, eds. [https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/venona-soviet-espionage-and-the-american-response-1939-1957/preface.htm VENONA: Soviet Espionage and the American Response, 1939-1957]. Washington, DC: National Security Agency/Central Intelligence Agency, 1996. Laguna Hills, CA: Aegean Park Press, 1996. pg. 12.</ref>