124-10300-10077 St SST EEE ttt i Document Information vod AGENCY : RECORD NUMBER : RECORD SERIES : AGENCY FILE NUMBER: ORIGINATOR : FROM: TO: TITLE: DATE: *PAGES: SUBJECTS : DOCUMENT TYPE : CLASSIFICATION : RESTRICTIONS : CURRENT STATUS : DATE OF LAST REVIEW: OPENING CRITERIA : COMMENTS : JFK Assassination System Identification Form Agency Information FBI 124-10300-10077 HQ CR 92-6692-89 FBI WELSH, WARREN R. DIRECTOR, FBI 07/12/1967 16 NRO, ASSOC, BKG, RES, CRIM ACT PAPER, TEXTUAL DOCUMENT Secret 1B; 4 Redact 07/20/1998 APPROVAL OF CIA WW 50353 Boclad: 32309711 Page 1 Date: 4/27/201 ee
- FEDERA. BUREAU OF INVESTIGATION — . ET} “Sat RIGIN DATE INVESTIGATIVE PERIOD IRTING oeaMT MIAMI 7/12/67 5/31/67 -7/10/67 eee TITLE OF CASE _ — “wali. BY NR. WELS: - i pi CHARACTER OF CASE FRANK LANG "LEFTY" ROSENTHAL, i io Aka oft j rer is in Seecayfer- DECLASSir y Oia cok LE) Ae Report of SA WARREN R. WELSH, dated 8/10/65 at Miami. Report of SA WARREN R, WELSH, dated 6/16/67 7 of) at Miami. Miami teletype to the Bureau 6/22/67 . ate Bureau teletype to Miami 6/23/67 ..-- 4 MOB Chicago airtel to Miami 6/29/67. ~p-.- oN appppuat [108 CONTAINE zp Original and one copy of letterhead memorandum | at eee PELWEED characterizing informants utilized in this.- MEW bas a report. sehds been: Pending ove Qe Cyeqarr” pea enths [_] Yes [_] No *ROVED DO NOT WRITE IN SPACES BELOW i i. . leg Q: nure (92 scone oe ant all i, Zé A LL vo 7 i USA, Miami , ~ ~ Attn: Departmental Attorney comers memes! SITET a WALLACE JOHNSON dN SO pee 1 - Chicago (92-2295) (Inf tas arom NBER NOS" . ; 2 - Miami (92-726) -TRLASE P SAMATON {os a | _ AN THIS DOCUMENT, € x eepT Fon Foo benckers oo Disseminerioa Raeaie oF Aneched Report” =~ ‘| Notations * Taal . aie ne ae vd. _ SID} j FOR : , Cl cuaPRLPCATLON, 4 Pe wa 7 . 1 ‘ aie ww WW 50353 Boclad: 32309711 Page 2
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SECRET MM 92-726 BOMBINGS ~ MIAMI AREA ‘es womens POSADA canniias, JOC OR) @ &) . On July 24, 1965, rf in memo form information received from a reliable source. On 8 source was Ater identified as/LUIS POSADA CARRILE [Bosaniftarided that DIEGO BORGES was actin? as an agent r three Americans who were seeking to buy pistols, explosives, blasting caps, hand grenades and silencers. The identity of the Americans was not known to [POSADA] 1thoughQA(u) he believed they were member the Ku Klux Klan or possibly the John Birch Society. (Seog) (posapa by idea the following background informa- \ tion concerning individuals involved with BORGES in the procurement of arms and munitions by the three Aner tcans : SC{ ) HERMINIO DIAZ, 732.N. W. 3rd Street, Miami, Florida, sold sixty hand grenades (USMK II) to BORGES for delivery to Americans. DIAZ received from BORGES three hundred sixty dollars for grenades but delivered only forty. Subsequently, BORGES asked source to go to pnaZ and either pick up other twenty grenades or the one te enty dollars in cash paten they represented. (aj RAMON ESCARDA, 620 S. W. 9th Street, “who served in the U. S. Army, 1958 1959, was supposed to’ obtain one hundred pound £ pentolite for delivery to BORGES for ~ $320-350. SQW ao :, FRANK TAMAYO, 3213 S. W. 8th Street, Miami, active in anti-CASTRO activities, 622 caliber silencers to ; Americans for $1,000. sa KY Wy | | | Source gave a AD) of three Americans and also recorded license plate of car utilized by group Ser) Seo (i) Cc . -COVER PAGE- | Pronen WW 50353 Boclad: 32309711 Page 4
| HW ‘MM 92-726 50953 Bocld: ‘SECREL Departmental Attorney JOHNSON further recommended that /LUIs sauce’ contacted in rggard to the present addr of ALBERTO LARRAIN-MAESTRE 5 6K) a Narcotics fugitive. This meet between source and MAESTRE would be covered by Bureau Agents and Agents of the Federal Bureau of Narcotics. The purpose of coverage would be to establish the present whereabouts of the fugitive so that his arrest could be effectuated. It is the opinion of Departmental ia Attorney JOHNSON that MAESTRE could possibly be used as ao a witness against FRANK ROSENTHAL and NORMAN ROTHM ae garding their involvement din bombing matters. 4) * On July 7, 1967, a conference was held at th request of Departmental Attorney JOHNSON, In attendance i at this conference were JAMES DURANT and DAVE GOODHART | of the State's Attorney's Office,. Dade County, Florida, and SAs. SWINNEY and WELSH of the FBI. ‘The above mentioned course of action recommended by Departmental Attorney JOHNSON was fully explained to state authorities insofar as the involvement of ROSENTHAL, Although the general plan involving ROSENTHAL was explained to the local authorities, at not ime was the source or the employer of source: mentioned to local authorities. Ls Assistant States Attorney DURANT, when appr ised . of the sensitive source of information and the chance of - requesting dismissal of indictment against ROSENTHAL, re- quested time in order that this proposal could be fully discussed with States Attorney GERSTEIN. ae - INFORMANTS. - | is MARTIN DARDIS, MM T-2 : “MM T-2 is MM 950-C. Oo a fo MM T-3 is MM 676-C. | “MM T-4 isuMM 869-BC. _covern pace- "SECRET 32309711 Page 5