Pseudonym: Blair, David
02/10/77: Notes from Anne Goodpasture to John Leader, IG Staff: "SUPPORT ASSETS: Unilateral phone taps...56 - 1/62: Frank Estancona Chief..." - - - Note: Page four stated that "Frank Estancona and Peggy Maggard replaced Anderson in handling the unilateral phone taps..."
03/28/78: HSCA interview of David Blair by Dan Hardway: ..."Mr. Blair said that his assignment in Mexico had ended in February, 1962. He said that he had been involved in technical operations and ran the unilateral telephone taps. He said that, in addition to the liaison taps, the Mexico station had extensive unilateral telephone coverage on the Soviet and Cuban embassies...Blair said that when he left he was replaced by Ted Walsh. He was sure that Walsh took over all of the operations he had been involved in. Blair could not remember being involved in photo operations with Walsh but was sure that Walsh would know all about the Cuban photo operation because he had been inside the base with Blair..."
03/28/78: HSCA interview of Frank Estancona by Dan Hardway: ..."Mr. Estancona said that his assignment in Mexico had ended in February, 1962. He said that he had been involved in technical operations and ran the unilateral telephone taps. He said that, in addition to the liaison taps, the Mexico station had extensive unilateral telephone coverage on the Soviet and Cuban embassies....Estancona said that when he left he was replaced by Thomas Keenan. He was sure that Keenan took over all of the operations he had been involved in. Estancona could not remember being involved in photo operations with Keenan but was sure that Keenan would know all about the Cuban photo operation because he had been inside the base with Estancona..."
Undated HSCA document: Titled: "Interview of Frank Estancona...Left in February 1962. Technical ops - now the teletaps - unilateral. Chief ran everything. Unilateral taps were on Soviet and Cuban (extensive)...Replaced by Tom Keenan. Def T. K. took over his operations - sure of it...T. K. should know about Cuban photo coz he was in there @ F. E. Thomas Keenan - came while was there - worked outside @ F. E. on teletaps (unilateral) - doesn't recall any photo ops with him...."