Pseudonym: Aparicio, Fernando
A cable from Mexico City on August 1, 1978, stated that Matthew S. Beigneu agreed to be interviewed by the HSCA, and he had planned to be away from Mexico on personal business during the week of the HSCA committee visit. The CIA requested that the HSCA were told that they wanted the interview of Beigneu to be first one the committee undertake.
A cable from Director on August 2, 1978, stated that the HSCA were aware of the true name of Beigneu, and that he was a member of CIA's Mexico City station. In addition, a cable on August 7, 1978, stated that the HSCA would be prepared to talk with Matthew S. Beigneu and Raymond H. Gerende (Ramon Joseph Alvarez Durant) on August 8th.
07/31/78: Cable from Director to Mexico City: WNINTEL RYBAT: CITE DIRECTOR 266261: "1. House Select Committee on Assassinations (HSCA) investigators desire interview Matthew S. Beigneu during their visit week of 7 August 1978. Interview will center on Beigneu's role as one of AMMUG-1's case officers and will be conducted using IDEN registered alias. Pouching by split transmission registered alias forms to be completed and returned to HQs ASAP..."
07/31/78: Cable from Director to Mexico City: WNINTEL RYBAT: REF: DIRECTOR 266261: "1. Identity: Fernando C. Aparicio."
08/01/78: Cable from Mexico City to Director: WNINTEL RYBAT: CITE MEXICO CITY 46039: REF: DIRECTOR 266261: "1. Matthew S. Beigneu agrees to interview by HSCA committee and understands ground rules as indicated in ref. 2. Presume that true name of Beigneu has not been provided to HSCA committee. Please inform us whether he has been identified as member of Mexico City station. This would condition location of interview. 3. In view of fact Beigneu had planned to be out of Mexico on personal business during week of HSCA committee visit request that HSCA people be told we desire interview of Beigneu to be first one they undertake. Hopefully this will take place immediately after arrival committee members."
08/02/78: Cable from Director to Mexico City: WNINTEL RYBAT: CITE DIRECTOR 267395: REF: MEXICO CITY 46039: "1. HSCA aware true name Beigneu and fact he member Mexico City station. They also understand Beigneu will use registered alias in order avoid disclosure true name in deposition. 2. Will request HSCA to interview Beigneu ASAP after arrival."
08/07/78: Cable from Director to Mexico City: WNINTEL RYBAT: CITE DIRECTOR 270026: "1. HSCA deputy staff director Gary Cornwell has just arrived us that HSCA staffers Harold Leap and Edwin Lopez will arrive Mexico about 2130 tonight (7 Aug). No additional details their itinerary available at this time. They will be prepared talk with Matthew S. Beigneu and Raymond H. Gerende (Ramon Joseph Alvarez Durant) on 8 August. 2. Capt. Gooding should remain Mexico until interviews completed."