Released under the John F. Kennedy Assassination Records Collection Act of 19927 (44 USC 27107 Hote). DATE: 11-14-2017 UNITED STATES GOV cRNMENT Memorandum TO: DIRECTOR, FBI (62-109060). ... PAT A/10/64 POM" LEGAT, MEXICO CITY (896) (RUC) SuBJECT: “ASSASSINATION OF PRESIDENT JOHN FITZGERALD KENNEDY;3 NOVEMBER 22, 1963, DALLAS, TEXAS MISCELLANEOUS INFORMATION CONCERNING os UESBE py ¢ 8 S.0/fecn,, ENCLOSURES: | ON MAIS... (BRON Enclosed are 37 copies of a letterhead memorandum dated and captioned as above, of which 25 copies are for the Dallas Office, one copy. for the Detroit. fice, and o copy for the New York Office. {4 Ke Ment ot Ree REFERENCES : | aw ¥iexico City letter dated 3/11/64, entitled "REVA FRANK BERNSTEIN, SM.- C" (Bufile 100-343413, DE file 100-1817, MC file 100-2363) and “JOSEPH BERNSTEIN, SM - CA,(Bufile 100-58623, DE file 100-1817, MC file 100-2367); llas airtel to Bureau dated 3/19/64, with triple caption Of instant case; "LEE HARVEY OSWALD, aka, IS - R - CUBA" (Bufile 105-82555, DL file 100~-10451); and "TACK L, RUBY, aka; LEE HARVEY OSWALD, aka (deceased) - VICTIM, CiVIL RIGHTS" (Bufile 44-24016, DL + file 44-1639), concerning reporting procedures to be followed; Bureau cable #20, dated /1/oh and Mexico City cable #523, dated 4/3/6 wu) oe ADMINISTRATIVE: | Referenced Bureau cable set forth that additional instructions were being submitted to the New York and Detroit Offices. The Mexico City Office is not in. receipt of these instructions, and it is suggested, if it has not already been done, that the New Yor and De Hep at xr 1) no (ay Bureau (Encs. - 37) 1 - Liaison Section) e - Dallas, 89-43, Encs. - 25): 1 - Detroit, Info., Enc. - 1) I - New York, Info., Enc. - 1) 1 - Mexico City FER;:esc;eim Co, . (15) . oo ib \Docld: 32184198 Page 4
Releaged under the John F. Kennedy Assassination Records Collection Act of 199? (44 USC 2107 Hote). < DATE: 11-14-2017 Mc 89-6 proceed carefully B paves by eation of this matter order not to se (35) ee 3 and MEX-19, Bureau informants peratingl) in vexicciKQ¥) That uy requested tha MEX-18 nef mex-19%be pinned down regarding specifics. These informants were recontacted on a ASR and furnished the additional details set forth in the enclosure. These informants have ex xpiaines that, inasmuch as REVA FRANK BERNSTEIN (Bufile 100-343413, MC file’ 100-2363) and JOSEPH BERNSTEIN (Bufile 100-68623, MC file 100-2367) are not presently in the Mexico Area, further details are unavailable. Also, as is pointed out in the enclosure about REVA FRANK BERNSTEIN, the informants advised that the BERNSTEINS, as well , @8 ELIZABETH CATLETT MORA (Bufile 100-395934, MC file 100-939), are not individuals who will answer direct questions and, when =. directly, they are known to terminate the discus- Sion. With regard to documentation in the enclosure on GEORGE WILLIAM CROCKETT, JR, (Bufile 100-367743, Mc file> 100-1820), it is noted that “the Mexico City file is incomplete on this and that the Bureau has access to proper documentation. With regard to EVE NIDERMAN, it is note that MEX-18 and MEX-19 hadjno information regarding her. iL) SOURCES: aA ein source mentioned in enclosed pno/ OK IL x head memorandumfis MEX-18 and MEX-19 (MC file 1 a ies We7en: Wy d SA NATHAN L, FERRIS on 1/6,21; 2/6,1 The second source is fary-384- 8 a The third source sofaone 258 De ss of ELF). K CLASSIFICATION: "SECRET" to protectKMEX-18 and MEX-19, Miho are informants in(@yf i) Mexico furnishing highly sensitive infdOrmation involving ‘ espionage and information vital to the internal security of the United States. It is essential that the identity of wae) The — letterhead memorandum is classified Docld: 327184193 Page 5
Released under the John F. Kennedy Assassination Records Codlection Act of 19927 (44 USC 2107 Hote). = DATE: 11-14-2017 . ~ MC 89-6 informants be fully protected especially since they are the only source which received the information from ELIZABETH CATLETT MORA, REVA FRANK BERNSTEIN, and JOSEPH BERNSTEIN, who are not known to have discussed the,information in the letter- head memorandum with anyone else. Minder the eiroumstances, QM) the protection of these informant s of paramount interest ’ to the continued operations of the Bureau in Mexico, te va this reason the letterhead memorandum is classified SECRET, ' COPIES: Twenty-five copies of the enclosed letterhead memo- randum are being designated for Dallas, the domestic office of origin, according to instructions set forth in referenced Dallas airtel. © Ten copies of the enclosure are being forwarded to the Bureau inasmuch as referenced Bureau cable instructed that the results of reinterview witht MEX-18 and MEX-19 be incorporated into a letterhead memor suitable for dissemination to the President's Commission. ( Inasmuch as the Detroit and New York Offices are being furnished additional instructions by the Bureau, one copy of the enclosed letterhead memorandum is being furnished for the information of each of these offices. Docld: 3271684195 Page 6