and William Coleman, flew to. Mexico. city, Mexico. to Mexico (City, Be dL) Prior to their departure, — Mexico @uring Oswald's visit £0 Mexico. ‘City. and: eo tives that: ‘the CIA's Mexico city Station’ was, actively Soviet and. ‘Cuban Embassy/Consulates (ibia. Be 3). (This: form is to be used for: ‘material. extracted: from ClA—eonge ljed documents.) co, On April 8, David ‘Slawson, Howard, Willens, ly, to meet with ‘the representatives of ‘the: State Department, FBI, cla, and the: Government of Mexteo, oa _ (Slawson Memorandum, ‘April 22, 1964, “Subj: Trip: "they met with ‘Thomas Mann, the U. s. -Anbassador to. the: time, of President Kennedy* ‘s assassination. (Ibid. ). - Ambassador Mann. told the Warren, Commission cepenenten " engagea in Photosurveillance operations: against we Upon the group’ s- arrival, in. Mexico city, they were’ met by us. “Ambassador Freeman, Claire Boonstra a a of. the State Department, Clarke anderson of the FEL, | 5 and Winston Scott of: the cIA (Ibid. Pp. 9~ 10) » | ‘That ‘same day during a “meeting between. the ar - Goitibzaton representatives and Win Scott, Scott, made available to the group actual transcripts [ot the ‘CIA's ~ telephonic’ surveillance operations accompanied with. ‘English translations of the transcripts. In addition, gt 9559 oe J a ‘Clesitied by derivation:
| Classification: ‘ he proviadg Mele isotgs bg awed {20 ee Beane | arabolg tt ocuments.) for the time period: covered by Oswald’ s visit. that haa resulted from photosurveillance. of. ‘the. Cn ee fo _ Cuban and Soviet. ‘Embassy entrances, David Slawson wrote: 3 "..eMr. Scott stated at the beginning . -. of his narrative that he intended to. make a complete disclosure of all facts, — . including the sources of his information, and that he understood that all three of. a: _ us had been cleared for TOP SECRET and SS - that we would not disclose beyond the. 9! _ confines. of the Commission. and its ~ a et immediate staff the information we. obtain= ed through him without” first clearing it. .with his superiors in Washington. » We. / agreed to this." (Ibid. yo. vs Mr. Scott described to ‘the Commission rere JAN ‘Ce sh sentatives the CIA!’ Ss. ‘course of action ma ‘following: the assassination, indicating ‘that, nis: staff immediately began to compile dossiers on 7 ‘Oswald, Duran, and ‘everyone ‘else throughout Mexico a whom the CIA knew had had some contact with, Oswald (Ibid.) ‘Scott, revealed that all known Cuban: and. Russian: RR, “intelligence agents -Had P quickly 7 been put. onda cee ’ surveillance following the assassination. Slawson “Se. concluded : "Scott's narrative plus the material we were shown disclosed immediately how incorrect our previous information had been in Oswald's contacts with the Soviet. and Mexican: Embassies. Apparently the __ REIN | Classification:. _ NGHEN. . i : Classified by of pangso be
i \ at pa reconstruction of Oswald's probable. "materials that he. did following Scott! s disclosures. ~ these notes dealt exclusively with the[tetephonic™ " sations. for, the, period Sept. 27: - Oct. Ll, (i963, "| (Slawson | Memorandum, ‘April (2i, 1964 ‘Subj: :[tntercepts } ~ from the Soviet and Cuban Embassies in Mexico City. ~ Agency! s denial of original source. materials, in this. case ‘the[ telephonic surveillance intercepts, Jseriougly ,  impairea the. Commission’ s ability to draw accurately - “reasoned conclusions regarding Oswald’ s sojourn in Mexico’ City. . It meant that as of April 10, 1964," SECA RET a “(This form. is to ‘be used for material extracted | _ distex tionsomndiedtidaadans | to which our. information: had been subjected had - » @ntered some ‘place in Washington, __ .. : because the CIA information. that we. . / | Wwere-shown by Scott was unambiguous ‘on. - . -@lmost all.the crucial. points... We had. Se -- . previously planned to show Scott, Slawson' Soo ‘activities. at ‘the- embassies: to get - Scott! Ss. Opinion, but once we saw how badly distorted > -- Our information was we realized that this | - would be: useless. Therefore,. instead, we * .decided to take as close notes as possible: - from the original source materials at. some- diater time during our ‘visit." (Ibid,’ PB. 24)* OR :< ‘separate Slawson Memorandum of April rahe, 1964. records the results of ‘the notetaking from original source - intercepts pertaining to the Duran and Oswald ‘conver= It is evident. from Slawson' Ss record that the 4 — Th eh aS wnt 2 WA “EA wa DD.
SEC RE "Classification: _ & (this form is. to: be used for material extracted _ ' from ClA—controlled documents.) - “nearing. the halfway point of. the Warren Commission investigation, the: Commission was forced to ‘retrace’ the: factual path by which at had: structured Oswald's activities Ain Mexico’ City. sit further revealed that the Agency had provided ambiguous information to the ‘Conmission when, in. fact "on. almost all. the. crucial points" ‘significantly more. precise materials. - could have ‘been made available for. analysis 1 by the. “Commission. (Ibid) +): Thus, the. Agency' s. early policy of not. ‘providing. the Commission with vitally 3 relevant. information derived ‘from certain: sensitive sources . and methods had seriously undermined the. investigation bad “ana possibly foreclosed lines of investigation e. Ter Cuban ‘involvement, that might have. been more seriously considered had this material been | expeditiously — ‘provided. Mexico Cay S ttkien Phofesucveilliance andra Mexico’ city Mystery. Man . . . on novenber 23, 1963, FRE spectar agent oat showed Marguerite Oswald a photograph of a man — bearing no physical resemblance to her son (Warren Ww red ty PF a as oo | S Classification: — | 1 chested by dervatiG BDO52
"Classification: - E _ : connmiss toner ip! tosbe used fon, poser been from ClA—controtte documents supplied to the. FBI on | November 22 by the CIA's os 7 Mexico. ‘city Station after Agency” representatives: . 7 oe a had searched ‘their ‘Elles ina an effort to locate” - ls Ibids a information on Oswald: (CIA Doc. DDP4- -1555, 3/25/64, “ . ,  §g Warren Commission Doc. : 67). his photograph, which was" one - in a series resulting from ‘the CIA's photosurveillance ae operations against: ‘the: Soviet. and Cuban Embassy/Consulates ion bathe. . { Prior. to the - assassination, > : Se Sees Le had. been linked by San er, the Mexico city Station to. Lee Harvey Oswald. /(Tbid. ) "Richard Helms, in a ‘sworn: affidavit béfore the Warren a me Commission, ‘Stated ‘that, the photograph ‘shown to. a Marguerite Oswald had been taken on October 4, 1963 “in Mexico. city: and mnistakenly linked at that, time to : | “oswala. “(Warren ‘Commission “Affidavit of Richard Helms. _ ’ | 8/7/64, vol. XI; pp. 469- -470) SO a oo oo : | On: February 10, 1964, Marguerite Oswald testified - before. the Warren Commission and recounted the cir- : . ; cumstances under which she was shown the photograph. . ae | ® oo (Warren Commission Report Vol TpLsa)ucs. Oswald testiffed “that she believed this photograph to have been of Jack : ; ‘Ruby. pial) > . | | 900863, wn per rit jad - - ‘al assification: = & | ° Classified by derivation:
| “SECRET. Classification: om 4 _ oS (This form is ‘to be used. for: material extracted : 7 — from ClA—controlled documents. ). | "Thereafter, on ‘February 12, 1964, J. Lee Rankin. wrote to. Thomas Karramesines, Assistant, BR | “requesting - both the identity of. the individual | depicted in the photograph and an explanation of | the circumstances by which this photograph was obtained by the Central Intelligence Agency. (Letter of J. Lee Rankin, Feb. 12,.1964, JFK Doc. #3872). oe -. on that same day, ina separate letter, . Rankin wrote to Der MeCone regarding materials: that. the CIA had disseminated since November 22, 1963" to the Secret Service: but not to. the Warren Commission.” ‘Rankin requested copies of these materials which included three CIA, cables. The by the ‘FBI to Oswald's mother of the individual originally identified by the Mexico city ‘Station as Lee Harvey Oswald. “(Letter of J. Lee Rankin | Feb. 12, 1964, JEK Doc. #3872) : cables concerned the photograph subsequently shown ee ; of Among “the materials. ‘disseminated by the CIA ; to the Secret Service was a November 26° dissemination. . (CIA ‘Doc DIR 85177, 11/26/64) That cable concerned __ganost 5 oe b lost by derivation: =
Oo | | “Be ce | Classification: _ ‘(This form is--to be used ‘for material extrac the Dorti.c Aaa RON NREY and | aYSEibced | the existence of(cra telephonic surveillance operations. | an. Mexico City at the time of. the assassination _ . and Oswald's: earlier visit... AS a result the CIA. was ‘Feluctaat: to. make the material disseminated to lay the Secret. Service available to the Warren Commission for in, ‘so doing the Agency would have. necessarily exposed[its telephonic surveillance operations the ‘Commission. mo _ John Scelso: testified regarding ‘the circumstances 7 surrounding the eventual explanation given to the | Commission’. recounting the origion of the photograph - in: question. Scélso. stated: | | oS -. "We did. not initially disclose to the Warren Commission all of our. technical. operations. “In other words, we did not. . initially disclose to them that we had _. :photosurveillance because the November oe . photo we had (of MMM) was not of Oswald... Therefore it did not mean anything, you see?" Mr. Goldsmith: 280 the Agency was making a unilateral decision that this was not relevant to the Warren — Commission. - & . oe a Scelso: Right, | we were not authorized, at sicet,® & to reveal all our technical operations. , (HSCA Class. Depo. of John Scelso 5/16/78, pe. 150) - ce In summary ‘the records shows that By February 12, ‘1964 ‘the Warren Commission ‘had. inadvertantly requested access 35 to[tetephonic urveitiance production, a. cause for concern within the et. - Classification: —secnet moe S 2 ; _ Classified wy derivation: :
es 8 90D “due | to’ ‘the sensitivity. of Agency sources and methods. a problem: here “for your determination." ‘Rocca’ oe 7 7 f —¢ assification:: | assitication:. (This form is to be. used for material ‘extracted - tibia €08m—itorieolted Weeufrentampterial extracted from ClA—controlled documents.) _=4de Similarly, the possible disclosure of the ‘etormevadttanoe operations to the Warren Commission had also begun to" cause. concern within the Agency. On March 5, 1967, Raymond Rocca wrote in an internal memorandum to Richard Helms that "we ‘have — outlined Angleton’ s desire not to respond directly to Rankin's request of February 12 regarding the CIA” material. forwarded to. the - Secret Service since _ November" 23, (1964. . Rocca then ‘stated: “Unless you feel otherwise, Jim would - prefer to wait out the Commission on the matter covered by paragraph 2 (of the’ = _ above-referenced February 12 letter to. McCone requesting access to CIA reports provided the Secret Service after November 22, 1963, _ #JFK Doc. 3982). If they come back on this a point he feels that you, or someone from , here, should be prepared to go over. to show the, Commission the material rather than pas ‘thei . to them in copy. Incidentally, none of these items are of new substantive interest. We have either. passed the material in substance to the Commission in response to. _ @arlier levies or the items refer to aborted — ‘leads, for example, the famous six photographs which are not of Oswald..." (CIA Doc. FOIA | #579-250, 3/5/64: see also HSCA Classified Deposition of James Angleton, 10/5/78, PP. & % eee my - Craasifieation: —sacici oan 00086 "ama yan eis a
° Classification: | - Classification: * _. (This form is to be used for. material extracted “oy fiers Gbim—dontoolied dlaclrientsr}aterial | extracted. from ClA—controlled documents.) . co (44a~ wherein ‘he states that the. only 3 ‘reason - for not providing the Warren Commission. with - access to CIA surveillance materials. was due to the Agency's concern for. protection of its sources and methods) ° enges7 |
the: February 12 request for ‘the materials forwarded | Secret Service materials. | ‘Rankin: wrote to Helms ee on. March 16. that it was his understanding that the each report or communication pertaining to the Secret | Service materials "with all indications of your - . (This form is to. be. used for: ‘material extracted - os from ClA—controlled documents.) a On March 12, 1964, representatives of the ‘Warren. Commission and the cra confered regarding “to ‘the Secret Service by the’ ‘Agency. “(Letter of ‘3. Lee: Rankin March 16, 1964, JFK Doc. #3972, Stawson : Memorandum, March 12, 1964) The record indicates that the ‘Commission at | the March 12 meeting pressed for access: (to the. CIA would supply the Commission with a paraphrase of. confidential communications ‘techniques and confidential | sources deleted. You will also afford members of our staff working. in this area an opportunity to | ‘review. the actual file So that they may give assurance that. the. paraphrases are complete.” (Letter Of a Lee. ‘Rankin, - March 16, 1964, paragraph 2, JFK Doc. No. Baye : Rankin further ‘indicated that the same | "procedure was to be followed regarding any material - in the possession of the CIA prior to November 22, fy | - Classification: . ee 7 cf Classified by derivation: . BF eR.