</s>JFK Assassination System Date: 5/5/2015 Identification Form AGENCY : FBI Agency Information AGENCY: FBI RECORD NUMBER : 124-90073-10039 RECORD SERIES : HQ AGENCY FILE NUMBER: 92-7599-21 AGENCY FILENUMBER : 92-7999-21 Document Information ORIGINATOR : FBI FROM: MM TO: HM Released under the John F. Kennedy Assessment Records Collection Act of 1992 (44 USC) 21071 Notei CasetNIV TITLE: Assessment Record Collection Act DATE: 11/21/1967 PAGES: 27 SUBJECTS: DAVE YARAS DAVID YARARS DOCUMENT TYPE : PAPER, TEXTUAL DOCUMENT CLASSIFICATION : PAPERCY RESTRICTIONS : Secret RESTRICATIONS : RB: 4: 11/1a) CURRENT STATUS : RB: 1/1/1b) DATE OF LAST REVIEW : 07/24/1998 OPENING CRITERIA : INDEPENITE, APPROVAL OF CIA, IRS COMMENTS : RPT NW 88608 Docdl:32328335 Page 1 1

Summary  
The documents detail an FBI investigation into David Yaras' activities in Miami, Florida, from January to June 1967, focusing on extortion, arms dealing, and bombings linked to organized crime networks. Yaras is connected to Miami-based criminal operations, including bookmaking and ties to Chicago mob figures. The report references bombings at Alfies Sundries (June 16, 1967) and the American Epicure Market (May 31, 1967), with Luis Posada Carriles, a CIA informant, attributing these acts to Yaras' group. Explosives procurement networks involving C-4 and silencers are highlighted, along with connections to Cuban gambling syndicates, Miami mob operations, and Chicago-based organizations. FBI surveillance notes Yaras’ control over Miami bookmakers and his links to organized crime in Chicago. Additional details include interactions between Posada, Frank Rosenthal, Domingo Echemendia, and Alberto Larrain-Maestre regarding explosive materials, as well as MSNS line service operations tied to mob activities.  

Key People  
- **David Yaras**: Central figure linked to extortion, arms dealing, and bombings in Miami; controlled bookmaking operations.  
- **Luis Posada Carriles**: CIA informant providing details on explosives procurement and bombings.  
- **Frank Rosenthal**: Suspected of orchestrating bombings and involved in explosive transactions.  
- **Domingo Echemendia**: Cuban gambling figure connected to explosive supply networks.  
- **Alberto Larrain-Maestre**: Associated with Miami mob activities and explosive dealings.  
- **SA Welsh**: CIA/Special Agent monitoring Posada and other informants.  
- **Alfred Mart**: Miami Beach bookmaker involved in MSNS line service operations.  
- **Leonard Patrick**: Under scrutiny for potential criminal ties to Yaras.  
- **Norman Rothman**: Linked to Miami mob operations and Mafia connections.  

Key Locations  
- **Miami, Florida**: Primary hub for bombings, arms dealing, and organized crime activities; locations include Coconut Grove, Dinner Key, Alfies Sundries, and American Epicure Market.  
- **Chicago, Illinois**: Mentioned as a center for organized crime ties to Miami operations; locations include Lake Shore Drive and A-1 Laundry and Dry Cleaning.  
- **Miami Beach, Florida**: Site of Southgate Apartments restaurant and other mob-related activities.  

Key Events  
- **Bombings in Miami (January–June 1967)**: Attributed to Yaras’ group, with explosives linked to C-4 and silencers; specific incidents include Alfies Sundries (June 16) and American Epicure Market (May 31).  
- **Explosives procurement network**: Involving suppliers like Hermínio Díaz, Ramón Escarda, and Frank Tamayo.  
- **CIA informants’ activities**: Posada Carriles provided details on arms deals and bombings for the FBI.  
- **FBI surveillance**: Revealed Yaras’ control over Miami bookmakers and ties to Chicago mob operations.  
- **MSNS line service operations**: Disputes with clients like Alfred Mart and Zion, linked to mob ties.  

Key Organizations  
- **Federal Bureau of Investigation (FBI)**: Conducted investigations into Yaras, Posada Carriles, and organized crime networks.  
- **Central Intelligence Agency (CIA)**: Involved through informants like Posada Carriles.  
- **Organized Crime Networks**: Including Miami mob operations, Chicago-based groups, and Cuban gambling syndicates.  
- **S & G Syndicate**: Controlled bookmaking in Miami Beach.  
- **Multiple Sports News Service (MSNS)**: Line service provider linked to mob activities and disputes with clients.

JFK Declassified Files

124-90073-10039.pdf

Document Summary

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