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Cryptonym: AMSUM-3

Definition:
Possibly Guillermo Alvarez Boucle, born in September 1933 in Cienfuegos, Cuba. AMSUM-3 was formerly a chief petty officer in the Cuban Navy, and was employed with the merchant marine.
Status:
Speculative
Discussion:
According to a 1963 CIA document, AMSUM-3 was 30 years old, having been born in 1933, and was from Cienfuegos. Furthermore, AMSUM-3 was reported to have defected in June of 1962 at Bremen, Germany. In addition, AMSUM-3 was reported to have had a POA granted in July of 1962. Also, in January of 1963, AMSUM-3 was given KUTUBE (Foreign Intelligence, (FI) training.
Sources:

124-10279-10010: No Title

2/20/58: Robert McKeown was being sought in a Cuban invasion plot. He was renting and buying quarters in the Houston area for his Cuban friends while working for the Texas-Western Drilling Co. Abelardo Pujol, 42, was arrested on a yacht in Louisiana at about the same time as Manuel Arques and Evelyn (Ruby) Archer.

Commission Document 797 - FBI Letter from Director of 17 Apr 1964 re: Robert Ray McKeown

Abelardo Pujol Barrera (aka Joe Sanco, Jose Sauco, Jose Alonzo Pujol Barera) was a 42-year old Cuban citizen and Miami resident who was co-defendant with Robert Ray McKeown in a 1958 gun-running case. McKeown met a man who identified himself as Lee Oswald on at least one occasion in 1963: Warren Commission Hearings, Volume 26, p. 651; Exhibit 3066, p. 3.

104-10166-10226: UNIDAD REVOLUCIONARIA

"Information on the naval resistance group which dated back to March of April of 1962 was provided in a September debriefing of Abelardo Rene Pujol Barrera, former (Cuban) merchant marine captain who defected and has since resided in (the USA) and Canada.

124-90107-10371: No Title

May 30 1966 teletype from the CIA to the White House Situation Room: Guillermo Alvarez was one of the six commandos on the operation to kill Fidel led by Tony Cuesta and Herminio Garcia Diaz. His full name may have been Guillermo Alvarez Boucle, born in September 1933 in Cienfuegos, Cuba. Also see 1994.04.25.13:40:32:880005 Reel 5, Folder H - ANTONIO CUESTA DEL VALLE, p. 37, for the CIA Intelligence Information cable that copies most of this document.

Arnaldo M. Fernandez, "Another Return to Kennedy's Assassination":https://www.cubaencuentro.com/opinion/articulos/otra-vuelta-al-asesinato-de-kennedy-322897

Due to historiographic irony, Dr. Latell's gesture stirs the anniversary of May 29, 1966, which marks the fiasco of Commands L in his infiltration operation by Monte Barreto (Miramar). Soon the snipers fell Herminio Díaz and Armando Romero, who came to attack Castro as he passed through Fifth Avenue. The others managed to re-board, but about ten miles off the coast, near Jaimanitas, their 23-foot boat was intercepted by Komsomol torpedo boats and Guillermo Álvarez and Roberto Anta died in the naval skirmish. Tony Cuesta and Eugenio Zaldívar were arrested (and) badly wounded.. Tony Cuesta was blinded and mutilated. The retired general Fabián Escalante, ex-chief and current historian of State Security, narrates that he talked several times with Cuesta during his long time of rehabilitation and he always spoke very softly, with "a tremendous mystery, as if we were conspiring." In one of those conversations, the murder of JFK came out and Cuesta would have paled before releasing that on November 22, 1963, Cuban exiles Herminio Díaz and Eladio del Valle were in Dallas, Texas. When asking Escalante "if they participated in the murder", Cuesta "stands up and says that he cannot say more, that he can only say that, because he knows that it is an issue that interests us." An inmate who worked in the prison hospital and attended Cuesta, Reinaldo Martínez, called in 2007 George Robert Blakey, former Chief Counselor (1977-79) of the Select Committee of the House of Representatives on Murders (HSCA) English), to tell him that he had heard the same story, but "I had no evidence to know if Cuesta told the truth." Martínez added that he had known Herminio Díaz since he was a child and that, shortly after arriving in Miami around 1980, a common friend and anti-Castro veteran, Remigio “Cucú” Arce, had taken between drinks: “Hey, the one who killed President Kennedy was our friend Herminio.”

Contributors:
Gavin McDonald • Bill Simpich

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