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Cryptonym: AEDIPPER-20

Definition:
Piotr Deriabin - aka Peter Deryabin - a Soviet defector during 1954.
Status:
Probable
Discussion:
Malcolm Blunt says that the references on the routing sheet and at the signature line of the attached memo to "Ted" directly refer to Deriabin.
Sources:

104-10404-10077: Petr Sergeyevitch Deryabin

Biography.

104-10147-10280: HSCA Request

Identified as a Vienna defector, 1954.

104-10172-10283: PERSONAL INFORMATION DATA, GRIGORIY GOLUB.

7/26/57: AEDIPPER-20 said the face of Gregoriy Golub (the Soviet diplomat/believed to be KGB, who worked with American consul William Costille/Robert Fulton to create an instant visa for Americans to pass through Helsinki into the USSR - Oswald was apparently the first person to utilize this instant visa.

104-10262-10142: Memorandum: Dipper-20's Meeting with Aeladle on 8 October 1962

Meeting of two of the most famous Soviet defectors. Deriabin referred to on the routing slip as "Ted".

104-10406-10113 VOLUME II/SUPPORT DOCUMENTS FOR THE HELMS HEARING AT HSCA

12/12/63: Helms presented to the FBI Deryabin's unedited comments after JFK was killed.

104-10218-10202: TWO PHOTO IDENTIFICATION FORMS. LEONOV, NIKOLAY S

9/29/64: Deraybin reviewed 19 photos and found that the man in two of the Khrushchev-Castro photos was probably an interpreter although he didn't know him personally. The person in discussion did serve as their interpreter in 1963, and was Nikolai Leonov, the Third Secretary at the Soviet embassy in Mexico City.

1993.07.13.16:32:15:090280: POSSIBLE IDENTIFICATION OF PERSON IN PHOTOGRAPH RELEASED BY THE HOUSE

7/31/78 CIA spot report: On 7/30/78, the HSCA released two photographs of people who they thought might be related to the Oswald visit to the embassies in Mexico City, as these visits were during the same time period. Other photos and composite drawings were also released at this time. "CIA career associate Petr Sergeyevich Deryabin, who saw the broadcast, reported that the photograph showing a profile view of a man is that of Nikolai Sergeyevich Leonov, a 'journalist' known to Deryabin as a KGB officer. Deryabin knew Leonov personally...Deryabin comments that he knows journalist Leonov to be a KGB officer who has worked in Moscow headquarters as well as in Mexico and Cuba. He believes that Leonov's implied personal acquaintanceship with Castro in fact stems from his personal relationship as a KGB officer. Also see p. 2: The routing sheet alerts CIA officers that the CIA director has handwritten a note on the spot report making it clear that the CIA had a duty to help the HSCA identify the men in these photographs - but to the best of my knowledge they never did! The director's note states: "Committee has asked for help in identifying the people in the pictures - even if the committee did release them without authorization, don't we now have obligation to pass identification to them?" A handwritten note, probably by someone else, states, "Yes." See 1994.04.15.10:19:09:500005, p. 27: On 8/3/78, journalist Ed Rabel ran a follow-up on this story on CBS with all kinds of errors - was this journalist any relation to CRC representative Luis Rabel in New Orleans and Jose Rabel/AMLEO-3?

Contributors:
Malcolm Blunt • Bill Simpich

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