</s>104-1027-10009 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 EATHLAL REVILED AT CIA HEAGUATTER BY HOUSE ELGIT COSTITLE OR ASSASSIATIOE STAFT RECHERS FILE TITLE/NUCHER/VOLUCE: TS Material from bernan Safe INCLUSIVE DATES: CUSTODIAL UNIT/LOCATION: ROOM: DELETONS, IF ANY: DATE DATE RECEIVED RECEIVERED REVIEWED BY (PRINT NAME) SIGNATURE OF REVIEWING OFFICIAL NO DOCUENTS EAY BE COPIED OR REMOVED FROM THIS FILE

Summary  
The document contains a collection of records detailing the handling of Yuriy Ivanovich Nosenko, a Soviet KGB officer who defected to the United States in 1962–1964. His defection was confirmed through CIA and FBI investigations, with initial detention under strict surveillance due to suspicions he was a KGB plant or agent provocateur. Nosenko’s legal status involved debates over his asylum application, parole conditions, and potential deportation to the USSR. Internal agency discussions focused on his reliability, security risks, and operational value as an informant. His eventual naturalization in 1974 under Section 7 of the Central Intelligence Agency Act of 1949 marked a resolution to his legal status. The documents also reference Nosenko’s testimony regarding Lee Harvey Oswald’s visa application to the USSR, including potential travel routes and Soviet visa procedures. Key concerns included KGB surveillance of Oswald, his marriage to Marina Oswald, and possible recruitment or monitoring by Soviet intelligence in Belarus and Moscow.  

Key People  
- **Yuriy Ivanovich Nosenko**: Soviet KGB officer who defected to the U.S., managed by CIA under parole conditions, and later naturalized as a U.S. citizen.  
- **Richard Helms**: CIA Director involved in managing Nosenko’s case and legal proceedings.  
- **McGeorge Bundy**: U.S. Assistant Secretary of State for Security Affairs, informed of Nosenko’s status.  
- **Nicholas Katzenbach**: Acting Attorney General consulted on Nosenko’s deportation risks.  
- **William Sullivan**: FBI Deputy Director for Internal Security, coordinated with CIA on Nosenko’s handling.  
- **James Jesus Angleton**: Head of CIA Counterintelligence Staff, likely involved in managing Nosenko’s case.  
- **Lee Harvey Oswald**: American who defected to the USSR and later returned to the U.S., with Nosenko’s testimony regarding his visa application and potential KGB ties.  
- **Marina Oswald**: Wife of Lee Harvey Oswald, potentially monitored by Soviet intelligence.  
- **Aksenov (KGB official)**: Mentioned in context of surveillance or monitoring of Oswald in Belarus.  

Key Locations  
- **Washington, D.C.**: Site of CIA headquarters, Department of Justice, and Immigration and Naturalization Service (INS) offices managing Nosenko’s case.  
- **Geneva, Switzerland**: Location of the Disarmament Conference where Nosenko was involved in KGB operations against U.S. interests.  
- **Moscow, USSR**: Nosenko’s origin country; referenced in discussions about his potential deportation and KGB surveillance.  
- **Frankfurt, Germany**: Secretly transported to after defecting, with initial detention under CIA control.  
- **New York City**: Port of entry for Nosenko’s arrival in the U.S.  

Key Events  
- **1962–1964**: Nosenko defected to the U.S., detained by CIA under strict confinement, and paroled under INS provisions.  
- **April 1964**: Polygraph examination revealed deception, leading to stricter surveillance measures.  
- **1968**: FBI concluded Nosenko was not a threat to national security but remained under monitoring due to his potential value as an informant.  
- **1969**: CIA sought approval for Nosenko’s permanent residency in the U.S., citing his contributions to intelligence operations.  
- **Nosenko’s testimony (1970s)**: Provided details on Oswald’s visa application to the USSR, including travel routes and potential KGB involvement.  
- **KGB surveillance of Oswald**: Discussed in context of his marriage to Marina Oswald and possible recruitment by Soviet intelligence in Belarus.  

Key Organizations  
- **Central Intelligence Agency (CIA)**: Managed Nosenko’s detention, parole, and employment; coordinated with FBI and DOJ on legal proceedings.  
- **Federal Bureau of Investigation (FBI)**: Conducted interrogations and assessments of Nosenko’s potential threat to U.S. security.  
- **U.S. Department of State**: Monitored diplomatic implications of Nosenko’s case and interactions with Soviet officials.  
- **Office of the Attorney General**: Provided legal guidance on Nosenko’s status and deportation risks.  
- **KGB (Soviet Union)**: Nosenko’s former organization; referenced in U.S. intelligence assessments regarding his defection and potential ties to Oswald.  
- **Rockefeller Commission**: Investigated CIA activities, with references to employee misconduct involving defectors.  
- **Disarmament Conference (Geneva)**: Context for Nosenko’s involvement in KGB operations against U.S. interests.

JFK Declassified Files

104-10227-10000.pdf

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