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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:

104-10262-10142: 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".

104-10147-10280: HSCA Request

Identified as a Vienna defector, 1954.

104-10404-10077: Petr Sergeyevitch Deryabin

Biography.

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.

Contributors:
Malcolm Blunt • Bill Simpich

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