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Intel in the FBI: Going SOLO: Communist Agent Tells All | Using Intel to Stop the Mob | Intel Operations Over the Years | Special Intelligence ServiceOur 2010 Series, FBI Versus the Klan: Let the Investigations Begin | Trouble in the 1920s | Standing Tall in Mississippi | A Leader Emerges | Trouble in TexasHistory Articles: Birth of the FBI | Birth of the FBI's Technical Laboratory | Bureaucratic Wrangling Over Counterintelligence, 1917-18 | In the Enemy's House: Venona and the Maturation of American CounterintelligenceOther History Stories: Early African-American Agents