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Office of the Inspector General

Investigations Division

The Investigations Division investigates alleged violations of fraud, abuse and integrity laws that govern DOJ employees, operations, grantees and contractors. Investigations Division Special Agents develop cases for criminal prosecution, civil, or administrative action.


Investigations Division org chart
  • Assistant Inspector General – George L. Dorsett

  • Deputy Assistant Inspector General – Eric Johnson (Acting)

    • Administrative Support – Lisa Frick Smith, Director

    • Research and Analysis – [vacant], Director

    • Investigative Support
      • James W. Warren – Special Agent In Charge
      • John F. Regan, Jr. – Assistant Special Agent In Charge

    • Operations I
      • Michael P. Tompkins – Special Agent In Charge
      • Scott M. Barden – Assistant Special Agent In Charge
      • Jim M. Kirdar – Assistant Special Agent In Charge

    • Operations II
      • Eric A. Johnson – Special Agent In Charge
      • G. Thomas Davis, Jr. – Assistant Special Agents In Charge
      • Angel D. Gordon – Assistant Special Agents In Charge

    • Chicago Field Office
      • John F. Oleskowicz – Special Agent In Charge
      • Kevin C. Shirley – Assistant Special Agent In Charge

        • Detroit Area Office

    • New York Field Office
      • Ronald G. Gardella – Special Agent In Charge
      • [vacant] – Principal Assistant Special Agent In Charge
      • [vacant] – Assistant Special Agent In Charge

        • Boston Area Office
        • New Jersey Area Office

    • Dallas Field Office
      • Ronald L. Holland – Special Agent In Charge
      • Monte A. Cason – Assistant Special Agent in Charge

        • El Paso Area Office
        • Houston Area Office – Carlos Capano, Assistant Special Agent In Charge

    • Los Angeles Field Office
      • Frank J. Cabibi – Special Agent In Charge
      • [vacant] – Assistant Special Agent In Charge

        • San Francisco Area Office – Michael Barranti, Assistant Special Agent In Charge

    • Fraud Detection Office
      • M. Elise Chawaga – Special Agent In Charge
      • Aberre C. Broome – Assistant Special Agent In Charge

    • Miami Field Office
      • Teresa M. Gulotta – Powers – Special Agent In Charge
      • Robert A. Bourbon – Assistant Special Agent In Charge

        • Atlanta Area Office – Eddie D. Davis, Assistant Special Agent In Charge

    • Denver Field Office
      • Norman K. Lau – Special Agent In Charge
      • [vacant] – Assistant Special Agent In Charge

        • Tucson Area Office

    • Washington Field Office
      • Gene E. Morrison – Special Agent In Charge
      • Mary B. Gregorius – Assistant Special Agent In Charge
      • Ronald S. Powell – Assistant Special Agent In Charge
      • Keith A. Bonanno – Assistant Special Agent In Charge
Updated: June 2013
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In memory of OIG Special Agent William "Buddy" Sentner