180-10142-10030) Status in System: AGENCY RECORD NUMBER RECORD SERIES AGENCY FILE NUMBER Other Agency Equity ORIGINATOR FROM TO TITLE DATE . . PAGES DOCUMENT TYPE SUBJECT (8) CLASSIFICATION RESTRICTIONS CURRENT STATUS DATE OF LAST REVIEW COMMENTS Date in: 01/26/96 ‘ee se Be v09-16-96ccr JFR RECORDS Cross Reference: None HSCA ; 180-10142-10030 CIA SEGREGATED COLLECTION 22~-13-02F None DOCUMENT INE ORMATION HSCA CIA 60/00/00 3 REPORT 3 ¢ 3 AMMUG; UNCLASSIFIED 3 . POSTPONED IN PART . 08/07/35 Box 10 NW 47055 Docld:32271334. Page i
“3 "= ga paso OaJecTidN TO. CT 7 ee SSINICATION ANO/OR ee RELEASE OF TH DOCUMENT VL , f y~) Luisa | Calderon, a defec- ". tor “from the Cuban Intelliger ce Services provided the - CIA with significant informat ion about Lee. Harvey Oswald!s ~ contacts: with the DGI in- Mexico City. - This defector , _ was assigned the CIA cryptonym AMMUG-1 (A-1 hereinafter). ao. CIA £iles reveal that A-1 defected from the DGI ; on april 21,-1964 in Halifax, Nova Scotia, canada. When = . he defected, A-1 possessed « a number, of -DGI documents which | ff Cipeee were subsequently turned over to the CIA . ‘fe 68894, 24 April 64) Following his éefection, a GIA officer, Joseph . H. Langosch, went ' o meet A-1, debrief a “him, ‘and arrange for A-1's travel. -into the United ‘states. (ESP e, On May 1, 1964, 22 reels of Langtosh's debriefing of A-2 were forwarded to the chief of the CIA's Special Affairs Sta co om the! ( mS 1A Dart , DiS PA 72 76%, Shay ts) ce oN ‘) Effective y ie Ana was “ander. contract with | ‘tthe CIA for operational purposes. _ficer memo, - 6 May G4). By June 23, 1964, 1 Langosch 4 was alue to, the Agency. convinced that Rel would be of grea ue He stated: oe , ‘There is no 2 question 4 my ‘mind that AMMUG-1 a It is now known that A-1 dia provide significant ‘leads’ to the CIA regarding Luisa Calderon.” It is further apparent _ _that little of this information was made available by the .. CIA to the Warren Commission. Therefore, the possibility |. exists that A-l1 had provided other information to the CIA — _ that was relevant to the Warren Commission's work boetnat which was nat Properly. Reported | te the Comission. ey HW 47055 Decld:32271334 Page 3:
ss orareerts HW 47055 Docld:32271334° ‘Page-4"! “..:ds a-bona fide defectcr| .or :that he’ has “furnished us with accurate and valuable. “information concerning Cuban intelli operations, staffers, and ar ont (eee 4 _. Memo to Director of. Security, 23 June 1964) ‘until his defection was assigned to the DGI* 8 Tllegal - Section B perm ae 68894 24 April 64) was responsibile for training agents for assignment in Latin America. - Bis ; specific responsibility Pertained ‘to So “people are. :" Miyabal. He is calle the Chief of ‘the Centre : hat is his title but he is actually ‘the> _.: ydimtelligence chief, ox -at least he was until ‘the 16th of April at which time a replacement “" | was gent:-to Mexico to take over... This. fellow's '. mame is Manuel Vega. The source ‘says that the | ., Ligence officer). and znother one is -Rogelio:: '" (2 might AY, Fat some: of these names are fami paidiar ' to me.) Ee Vo reer 3723 Apri i" Toor é € . ing of A~1, -30 April ¢4 As an officer of the IGI, . Aol ‘from August of 1963 wher _Phis—seetien. | - sdendehiedSaestac! | aon A-l knew—wirowere | the chen Sie gnc officers 7 “One’ ‘4s tke: cuiho “tt Consul Alfredo - Commercial attache whese name is Ricardo ‘Tapia : or Concepcion (he is rot sure which is an intel e
PE aA (Bex , Thus, | A-L was able te provide the CIA soon after his 5 defection w with accurate information regarding ‘Der operations and DGI employees . in Mexico City. 7 The Committee ‘has reviewed the CIA's files | con- . cerning Avi. This examination was undertaken to deter- , r mines 1) whether A~1 had provided any valuable investiga- | i tive leads to the CIA pertaining to’ the assassination ‘of President Kennedy; and 2) whether, if such leads were | _ provided, these leads and/or ‘other significant informa- ' tion was made available to the Warren Commission. | "The Committee" s intial review of ‘the Materials provided by the CIA to the Warren Commission ‘dia not - . ‘disclose the existence of t the J AMMUG files. However, the dune the cout et Committee dia reviewva minke containing material passed. “ae - “to the Rockefeller Commissicn: That file oknisinea re- er acthis Fil@ was - ference to AMMUG-1. _iregciircluded*a memorandum of May 5, 1964 written by Soseph Lange sch which concerned informa- thon aL eee about the Oswald ye: Cee See FOIA ‘briefing 1 memorandum of May ve. and Hay 8, (1964 pray Ean lack s* a cited with regard to Luisa Calderon. ~eFGe) Following “review 0 of the memoranda, the Comittee Kequested + access = te all (CIA files concerning. referring to A-1.. | _ From review of these materials, the Committee has © determined that ‘the Warren Commission did learn during mid-nay ‘1964 that Lee Harvey oswala Probably had come in. NE47055. Doetalan
. ‘contact with DGI officers “int Mexico ‘city . aq beter te-Leanning oF Sevala 's probable contact with DGI officers, James Angleton, Chief of the CIA's ~S _ Counter Intelligence Staff passed an internal memorandtm "| te Raymond pane also of th: ‘Counterintelligence Staff, ; “ . Angleton wrote -in-the-memora :dum that he had been informed | ey by, the DDP, Richard Helms, ‘tiat J. Lee Rankin had contacted “John MeCone. to request that the Director consent to an before - -interview4ay the Warren Commission on May 14, 1964. (J.. can Edgar Hoover also appeared before the © Commission on that : date prior to ‘MeCone” s ‘appearance -) \ Angleton ‘also wrote: fon Hen! &£ discussed with Mr. ‘delms the n ture of the " yecent information which you ar Processing Rc which originated with the sensitive Wirrre . Hevee source. I informed him Ahat in soar Me , - . Wiew this would raise a numbef of new factors. , aa '- with the Commission, that it/should not go to. oe ’v« ¢he Commission prior to the’Director's appear- fperf _. ance unless we have first Mad some preliminary ) _. xYeaction or made sure th the Director is fully  @ware of the implications since it could well serve. as the basis for Aetailed questioning. The DDP stated that he would review. this care- — Aceh fully and made (sic) /4 ERG odone ot Ine? “6 question of cining 4 hepot le obeaa By May E% cd. 1964, PORRSOI~298) oe ————- in” 1 Angleton’ s memo aid aa mh conclusion’ is based in time to A-l's defection. Ir addition, on Hay 14,1964,
for’ Presentation to the Warren Comission outlining various "positions adopted by the CIA vis a vis its investigative Cy Doc Fold C4s-2A efforts and assistance to the Commissio - (Brief, Mey-L4 fle, s7cy7 por | = Tab - of Nckone's brief it states: : _ i i Within the past week, significant information -has been developed by tlhe CIA regarding the re- . lationship with Oswald cf certain Cuban intel=- - “Vigence personnel in Mesico City and the reac- -tion in Havana within tle Cuban Intelligence Service to the news of the assassination of . .. President Kennedy. The Commission Staff is in the course of being briefed on the Cuban as--. (ed faba AGA -FOER-E9S=302MK T bid, Tab J the’ Waren | Commission received its first formal communica= “cA Dec Fo, ACQ?-24y, IS Paes Gea) “Hon regarding 2 Lao However, the ‘Agenty aie not at that the ig cy ha a ‘established ¢ contact : "with a “well-placed individual who ‘has | been -_ "in close and prolonged contact with ranking . officers of the Cuban Dixeaion General de’ . Antelli encia.” textey {. Lbs Ag. . ttached ‘to. ‘the 2 May 15. communication was a “Soy of
. garding 1 BOL's imowleage of Os wald's. 5 probable contact with . the DGI in Mexico City. | 4@ite-ebover) The attachment made no reference to the source’ s status as a defector from the DGI As: set forth dn the sect.Jon of thes report, concerning Luisa Calderon, on. June 18, 164, Howard Willens of the Warren ‘Commission reviewed ‘Langosch's May 5 memo and S the questions ‘upon which the information set ‘forth in the memo was elicited. ‘Neither. the uestionsGythe ne memo shown | 7 ‘to Willens made reference to the source’ s status as a de~. ; ecm fector collaborating with the c ~ 404 ey . ma 19° June Scher a pom a 7 : Based upon review of the Langosch memoranda, the | the Com- mittee has determined th ined, that gniticant information gegaga- 3 2S ing Luisa caiderct woe oi was - withheld from the Warren Commission wy a , Ae decinea ! Wad 12
2 eecuter Saat oe ee noes eee eee Oe eee oe on ew ee Fm eee cme eree meamaeb outan so ee came Ae te Or ee et EE ENN et RY cas a debriefing report of A-.. entitled "The Oswald Case." cit Dow (Dispatc *p035, 23 March 1965} On March 23, 1965, a CIA dispatch records the transmittal of the report, along . , | 7 ~EEID? with eleven other A-l debrie:‘ing reports. cares, Next to the listing of the "Oswald Case" debriefing report is the handwritten rkation * Por." A CIA employee who has fol A a Comnrthe worked xtensively with the Agency files system belieued | Sto hm 0m bem wat bhaSymb sf a." jenara ed ' this notation. 46 stand—fex the CIA component Special In- jie  telligence. Orme CIgrrepre enpatines petieved the Se Aus + tian-to-~stand=Sor_the ClA-cat Bonent-Seceietinteitigente. [uu | Other CIA representatives be!.ieved the notation was a re~ abe ae a CIA menorandum dated _ ite&s stated: aan . § quote Barbara's memo. ference to the Counterintell: -gence component CI/SIG. In fo wean * . : oe, pt ' The Agency has been unable to locate this document and therefore the Committee cannot pass judgerient | “upon, the | “substance of the missing materials. | (Be nbs co . ‘The Committee has queried A~-1's case officers regarding : additional information. that iiwl may have supplied Feb a Oswald. Joseph Lanogsch when interviewed: by the Committee | stated that (HSCA staff inte:-view, “Joseph Langosch, | August | 21, 1978), he did not have contact with the Warren Commission and does not know what infornsation derived from Ael's de- briefings was supplied to the Warren Commission. (Ci te “also . Hidalgo and Riccolo.) He also stated that he does not HW 47055 ° DocId:32271334 Page 9.
~ yecali thatfiitg ‘provided an any other sntpeme eine swaid's 7, cor: an, Loy rd contact with the DGI other thin mn theta memoran age i hexadine Ina further effort to ¢: sanity the substance of “informa- it tion that -RAHBe provided to ‘the CIA regarding Oswald, the v-frommittce has attempted ‘to locate o hha, The CIA has alsa. i ~, 11 Bias. CP 08g pach Ut te bree te rogate aldest (Gite Gat®-of sepetation—FrenmezA t 5 k yf “iiss ee een eiod fe) hos been ne his present wherea appa <- Sour © gf COAG POR SG, Hee OSS b¢ . i ei pena Maas 2 ss or a abe" a "however. The Agency, as ; noted earlier, dia. not reveal to oo 7 the Warren ‘Commission that aH) was present in the Washington, D. C. area ang, under control leé. conditions accessible * to the . s olent Comat, dered eon, Ta ! Comission. ° pGlacisiering v the (CIA's serious concern “for protecting its sources, ‘the ‘gact! ‘tha t Adl's. ‘status was “not disclosed Gonadioaed. t the Varren Commission : from exercising 3 a Possible option, 4. 2. to tate. the sworn, ‘testimony of AL, » 24. . as de eoncerned Oswald and the Kennedy assassination. On, this issue, as the written rec ord tepas «1 to. she , the agency Jools i a sir option. *-choula-net | : ‘unilaterally rej cted the Pr 2g tn Light of the establishnent’ of “nits ‘bone. ‘fides Ry a at ee: Langosch's quote supora), his proven reliability and |. * -his, depth of knowledge of cuban intelligence ctivities,yA/ Foe. Gite Gaga el Roun bie, LAS AGEL fou’ OSAP Camccseree