Kenneth R. Dieffenbach CFE

Assistant Special Agent in Charge, OIG, U.S. Department of Justice

Since 2003, Ken Dieffenbach has served as a Special Agent with the U.S. Department of Justice, Office of the Inspector General. He has handled dozens of complex and sensitive fraud and internal misconduct investigations related to DOJ’s $28+ billion dollars in annual expenditures, made well over one hundred presentations, and is currently leading an innovative data analytics effort. Ken previously served over six years as a Special Agent with the United States Air Force Office of Special Investigations. He received an undergraduate degree from the Citadel and a graduate degree from the University of Alabama at Birmingham.


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