FU MP Classification: (This form is to be used for material extracted from ClA—controlled documents.) possible conspiracies have been followed through with negative results), we must become familiar with the details of what A te both the American and Mexican investi- a eT Can ang Mexican investi: gatory agencies there have done. This means reading their reports, after trans- lation, if necessary, and in some cases talking with the investigators themselves. mana Wet ene nvesvigators tnemselves (Slawson and Coleman Memorandum, April Td ofl #31 1964, Subj: Additional lines of Investigation in Mexico Which May Prove ” AAS S « Worthwhile, on cha (too & 4E RAS A chow Ho wwe; * Mandtestty, Coleman' s and Slawson's desire ( arrpnabiiced for a. thorough investigation } sees 24 Sac ex posupeh & Febje te tha | oom PAI 205 | on posed the CIA's concern test its sources and methods, however relevant to the Commission's investigation, bewenposed. Considering the-gravity and signi- ficance of the Warren Commission's investigation Ps : Z s Fy the neti xd Or pe nel Faure ¢ Agency' sxwitholding of material from the Commission staff Waglaloaeiy —Lapeoper . Activte «3 while jan TEexXi co Cite. ballce ee oe (o~y Classification: 90908 58 Classified by derivation: a Cony ate pOasan cd Conclas fens we th pecpest +s CS wala ' AT. GR. = NE. oc: LN ey an NGG, “kiols, — NRR NA. Seiki. th Ly NOE; \
Prat a % Classification: (This form is to be used for material extracted from ClA—congralled documents.) On April 8, David Slawson, Howard Willens, and William Coleman flew to Mexico City, Mexico to meet with the representatives of che State Department, FBI, CIA, and the Government of Mexico. (Slawson Memorandum, April 22, 1964, Subj: Trip- to Mexico City, p. 1) Prior to their departure, they met with Thomas Mann, the U.S. Ambassador to Mexico during Oswald's visit to Mexico City and at the time of President Kennedy's assassination. (Ibid.) Ambassador Mann told the Warren Commission representa- tives that the CIA's Mexico City Station was actively engaged in photosurveillance operations against the - Soviet and Cuban Embassy /Consutates (Ibid. p. 3) Upon the group's arrival in Mexico city, they were met by u. s. Ambassador Freeman, Claire Boonstra and Winston Scott” ‘OF the CIA (Ibid. pp. 9-10) No. ae That same day, during a meeting: between. the nee Commission representatives and. Win Scott, Scott made available to the group actual_ transcripts[of the CIA's. ™ telephonic’ surveillaned-operations Jeccompanied yen os (rh English-—translations_ of. the. transcripts. In addition, Classification: e 99659 Classified by derivation: Get, NER, NARD,. a a a “ORG,
Classification: he proviaddit farm, is iste bes iseRe se soe motel sxeScaphe from Br, SEOUP Ww cuments.) for the time period covered by Oswaidts visit } that had resulted from \ photosurveillance’ of the Oe S b ‘ 4. Cuban and Soviet Embassy entrance Bava Slawson wrote: NS ",..Mr. 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 us had been cleared for TOP SECRET and that we would not disclose beyond the confines of the Commission and its immediate staff the information we obtain- ed through him without first clearing it with his. superiors in Washington. We agreed to this." (Ibid.) Mr. Scott described to the Commission repre-: Ave gly sentatives the CIA's course of action i: mS 2: fol lowing the assassination, indicating that his staff immediately began to compile dossiers on Oswald, Duran, and everyone else throughout Mexico whom the CIA knew had had some contact with Oswald (Ibid.) Scott revealed that all known Cuban and Russian. ~ Be 3 ' intelligence agents Had “quickly been put under surveillance following the assassination. Slawson concluded :>— . wa / "Scott's narrative \plus the material we '. were shown disclosed immediately how “incorr ect our previous information had Been dn_ mas a}eys contacts with the Soviet and Mexica assies/” Apparently the Ty 2 “e Classification: ____ S27: The pekerence sKauth bate Cuban * + , Classified by pt 00,0 v 0 WE, a a ae “Ya. SR. eS Ngee
(This form is to be used for material extracted distor tionsomndedricsadons to which our information had been subjected had entered some place in Washington, because the CIA-information that we were shown by (Scott\ was unambiguous on almost all theserucial points. “We had previously planned to show Scott, Slawson's reconstruction of Oswald's probable. ~~ activities at the embassies to get Scott! s opinion, but once we saw how badly di'stofted 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 later time during our visit." (Ibid, | ,Ps 2 2H A. oN “ei re A separate Slawson memorandum ef April 1 cry records the results of the notetaking from original source materials that he did following, Scott! Ss. disclosures. Nt ‘These notes dealt exclusively with ‘the[ telephonic : intercepts] pertaining to the Duran and Oswald conver- 2 2, KER sations for the period Sept. 27 - Oct. 1, 1963. 7 (Slawson Memorandum, April, 21, 1964 Subj [intercepts] : from the Soviet and Cuban Embassies in: ‘Mexico City. > a It is evident from Slawson's record that the cet Ene te foros he vbw ety 6tn Ce rmmfes PA de PR a tm Anis sd reasgvied conclusigfis regarding/Oswald's sojourn in 3 co City. It/meant that ,as of April, 0, 1964, i 3 Ww \ : 7 Y Classification ieee! ; ) 2 000061 3 Classified by derivation:
Classification: (This form is to be used for material extracted — from ClA—controlled documents.) nearing the halfwa point of the Warren Commission C Sean frd pai rt phec svar >} investigation, 2 ommission was~foerced: to ret race f the factual path by which it had structured Gswald's activities in Mexico City. te further revealed that the Agency fs provided amb#guous information to the ad on when, in faét "on almost al the gs" ? erucial vol significantly more precise materials. Commission. (Ibid.) the. Agency} $ early policy gy LQ INGA Suc ce of not, proveding awd Commission with /vieebty-retevant fer. Lak f could haye been aa for analysis by the in “derive j aimpies ~Sensitive sources me Kar Pe Eek . . . . and.-methods* ha wyrtoubiy endommiogs the investigation andj possibly forgclosed lines of @.g.,; j Cuban involvement, that: might ha: e been more seriously i ? f considered had: ‘this material been “expeditiously ~ provided. A a. — Mexico Cote, S tation Phe Tesacyeieaee Arak HRY, | Menieo-eitytysteny-tan Pho! bag apr oo he Soy Agger Ec Fadi y ee On November 23, 1963, FBI Special Agent Odum shewed Marguerite Oswald a photograph of a man bearing no physical resemblance to her son (Warren Classification: _ 6 - ‘SE. | WR. & a aa NG |
pond ed f tocke Classification: commission Thea ig t to3 ba) used fo, moteriok Sen eHet za been Me A dell from ClA—controitéd documenis. ) Suppiied~to-the-FBI on November 22 by che CIA's Mexico City station ater Agency representatives had -searched . their files in an effort to locate Tbid. Ok information on Oswald? € + as ©»! Warren Commission Doc. { + S we A { Prior to the ‘assassination, | See see nance ay a ee (CIA Doc. DDP4-1555, 3/28/64, 67)7-7this photography which was-one in a series resulting from the CIA's photosurveillance , Sen, eeceoppne gcse oe =— against the Soviet and Cuban Embassy GOLF LE OME ry had been linked by the Mexico City Station to Lee Harvey Oswald. (Ibid.) Richard-Helmis, in a sworn affidavit before the Warren On February 10, Commission, stated that the photograph shown to gut sche a€ he coich: a oe 2 Marguerite Oswald had been taken en-Octoper’ 4, 1963 Vek Danth S Co matime deri nha pasisd “J Voy f ‘in exteo-City ane Mis tekendy—Linked_at—thae—timeto 1 s +o No rernbe~ 23. jde5 Oswatd: . (Warren Commission ‘aifidavit of Richard Helms ok WallenComnis 9! niKar ASS 0 ae 8/7/64, Vol. XI, pp. 469-470) . 1964, Marguerite Oswald testified before the Warren Commission and recounted the cir- cumstances under which she was shown the photograph. oe! (Warren Commission Report Vol Hpiss)urs. Oswald testified» that she believed this photograph to have been of Jack Ruby. (Ibid YY, ~ ah me ae Te rears Pp % Classification: eepnit 939933 ' Classified by derivation: Eth, WH, . GR, noes HK ed SS.
oo © SECRET Classification: (This fofm is to be used fé% material extracted from ClA—controlled documents.) Thereafter, on February 12, 1964, J. Lee Rankin wrote to Thomas Karramesines, Assistant DDP requesting both the identity of the individual depicted in the photograph and an explanation of “my, sy the circumstances | by which this photograph was obtained by the Central Intelligence Agency. (Letter of J... Lee Rankin, Feb. 12, 1964, JFK Doc. #3872) FolA s43- 283A On that same day, ina separate letter, Rankin wrote to DCI McCone 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 cables concerned the photograph subsequently shown 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 Moe Feb. 12, 1964, JFK Doc. #3872) SY ("23a « Among the materials disseminated by the CIA bide Hoot 38 Con of PAs SOL . . . re) @rvice was a November 26 dissemination. to SM (CIA Doc DIR 85177, 11/26/64) That. cable concerned Foil /06-¢F/ Ps. Classification: pns054 Classified by derivation: NGA. “SRE, ise:
Classification; <2 (This form is to be used. ‘for. material—extrac _ the DorticngmAaas AROREUSAnERRF 274 disclosea~ “the existence offera telephonic- gurveillance]gperations ] AM, in “Mexico ‘City | at the time OF a assassination mo ee and Oswaid' 's earlier visi (Rs a result the CIA was reluctant to make the material disseminated to ae the Secret Service available to the Warren Commission ' for in so doing the Agency would have necessarily exposed [tts.g ERBA,, : &lephonic surveillance operationsfto the Commission. ~ John Scelso testified regarding the circumstances surrounding the eventual explanation given to the Commission .recounting the origidén of the photograph in NGG, | NUR. question. Scelso stated: "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 | f photo-we had” (of MMM) was not of Oswald. Therefore it did not mean, anything, 3 you ™ see?"5 H SCA Class Depe of of Sohn. SehSa , 5/16/74 pi sé} Mr. Goldsmith: ...SO the Agency was making a unilateral decision that this was not. relevant to the Warren Commission .c&knd “ue * ” Scelso: Right, we were not authorized, at first, ° re reveal all our technical operations. S78, men isay “ST bik, In summary the records shows that By February 12, 1964 the Warren Commission had inadvertantly requested access to [telephonic] surveillance production, a cause for concern within tae Posswug, Classification: sete a ; Classified by derivation: : EN ;
‘¢ assifjcation:—secrax ae | assitication: (This form is to be used for material extracted 2 fidia Cps—ioripoled eeurienigmaterial extracted ap from ClA—controlled documents.) 4 ~44— due to the sensitivity of Agency sources and methods. _ wf So, ~~ a Similarly, the possible disclosure of the photosurveillance’ operations to the Warren Commission had also’ begun to cause concern within the Agency - NSE, & oll. On March 5, 1967, Raymond Rocca wrote in an internal memorandum to Richard Helms that “we have a problem here for your determination." Rocca 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 foie: A. November: 23, 196427 Rocca then stated: meses "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 i requesting access to CIA reports provided i 3% 7ethe Secret Service after November 22, 1963, ! §JFK Doc> 3824 If they come back on this ; ou point he feéIs that you, or someone from here, should be prepared to go over to show the, Commission the material rather than pass® nr “then 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 earlier levies or the items refer to aborted leads, for example, the famous six photographs / which are not of Oswald..." IA Doc. FOIA 4579-250, 3/5/64) 380e also HSCA Classified Deposition of Jdmes Angleton, 10/5/78, pp.;3i-/ © Socket 000686 j Classified Soy dvestion: Co Berk _
Classification: __Secret Classification: (This form is to be used for material extracted ffidts Chkm-dcontoolked checunientsjaterial extracted from CiA—controlled documents.) ~44a~ Dike wherein he states that the only 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) “ke rw “Seah hres SECRIT 829557 “a