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Special Intelligence Service

June 24,1940: The FBI established a Special Intelligence Service (SIS) at President Roosevelt’s request. In connection with the SIS, the Bureau dispatched Agents to countries throughout the Western Hemisphere (except Panama). FBI Agents in South and Central American gathered intelligence information and worked to prevent Axis espionage, sabotage, and propaganda efforts aimed against the US and its allies. Special Agents assigned to posts in Europe, Canada, and Latin America began acting in an official liaison capacity. After President Truman closed the SIS in 1946 these Agent liaisons formed the basis of the FBI’s Legal Attaché (Legat) Program.