</s>124-10371-10015 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 JFK Assassination System Date: 4/15/201 Identification Form Agency Information AGENCY: FBI RECORD NUMBER: 124-0371-100115 AGENCY NUMBER : HQ AGENCY FILE NUMBER :: 62-117290-ADMIN FOLDER-B AGENCY FILENUMBER : Document Information ORIGINATOR: NIS FROM: NIS TO: HQ TITLE: DATE: 07/18/1978 PAGES: 61 SUBJECTS: HSCA ADMINISTRATIVE FOLIDER, THIRD AGENCY CLEARANCE REQUESTS DOCUMENT TYPE: HSCa ADMINISTATIVE FOLDER, THIRD AGENCY CLASSIFICATION: PAPER, TEXTUAL DOCUMENT SECRET RESTRICTIONS: Secret CURRENT STATUS: Redact DATE OF LAST REVIEW: 07/06/1999 OPENING CRITERIA: APPROVAL OF CIA COMMENTS: INC FOLDRER, INDEX, S/S, LET, ENV, ENVI, REPORTS, RAP SHEET, LHM, MEMO, NOTES, DESPATCH, A/T, TELEGRAM, DATA REPORT, AIRGRAM 9.1 5 NW 50953 Doc(id:32319484 Page 1 Page 1

Summary  
This document details an FBI administrative folder related to the CIA's handling of intelligence reports concerning Cuban exile activities in Florida, particularly focusing on Carlos Miguel Kassel (also known as GACEL), a Soviet operative posing as a journalist for the Union de Trabajadores de Colombia (UTC). Kassel reported on interactions with Cuban exile groups in Miami, including the Partido Revoluciario del Pueblo (PRP) and the Movimiento Independiente Revolucionario Cubano (MIRC). The report notes that the PRP had effectively ceased operations, with its dissolution attributed to leader Antonio Santiago. Kassel also described a meeting where participants discussed planning an overthrow of Fidel Castro, raising funds for weapons, and coordinating with Chilean intelligence. Other contacts included Ramiro de la Fe, Rolando Masferrero, and Alberto Díaz Masvidal. The document references Kassel’s reports to both his Soviet contact in Bogota and the CIA, highlighting U.S. government agencies’ alleged support for exile groups and potential Soviet bloc involvement in anti-Castro activities.  

Key People  
- Carlos Miguel Kassel (GACEL): Soviet operative posing as a journalist for UTC.  
- Antonio Santiago: Former leader of PRP, blamed for its dissolution.  
- Ramiro de la Fe: Brother of Ernesto de la Pe, involved in MIRC.  
- Rolando Masferrero: Editor of "Libertad," part of MIRC planning against Castro.  
- Alberto Díaz Masvidal: Editor of "Miami Extra," collaborated with Kassel.  
- Ignacio Ledón Iglesias: Former PRP propagandist in Miami.  
- Mario Rivadulla: PRP official in Santo Domingo, discussed exile group limitations.  

Key Locations  
- Miami, Florida: Central hub for Cuban exile activities and Kassel’s contacts.  
- Bogota, Colombia: Kassel’s base as a Soviet operative.  
- Cuba: Mentioned in context of exile groups’ operations and political movements.  
- Santo Domingo, Dominican Republic: Rivadulla’s residence and PRP connections.  

Key Events  
- Kassel’s 1974 visit to Miami to report on Cuban exile groups for the Soviets.  
- Disintegration of PRP attributed to Antonio Santiago’s leadership failures.  
- Planning meeting in Miami (August 16, 1974) discussing Castro’s overthrow and weapon procurement.  
- Formation of MIRC under Ramiro de la Fe’s leadership, seeking Chilean and Cuban military collaboration.  
- Kassel’s reports to CIA and Soviet contacts detailing exile group activities and U.S. government support claims.  

Key Organizations  
- Union de Trabajadores de Colombia (UTC): Organization for which Kassel posed as a journalist.  
- Partido Revoluciario del Pueblo (PRP): Cuban exile political party that ceased operations.  
- Movimiento Independiente Revolucionario Cubano (MIRC): Secret movement aimed at overthrowing Castro, led by Ramiro de la Fe.  
- CIA: U.S. agency monitored for potential support of exile groups.  
- Chilean Intelligence Service: Mentioned in context of MIRC’s planned collaboration.

JFK Declassified Files

124-10371-10015.pdf

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