About TIGTA: Office Locations: Headquarters (Washington, DC) - U.S. Treasury Inspector General for Tax Administration (TIGTA)

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Headquarters
City Center Building
1401 H Street, NW, Suite 469
Washington, DC 20005

Inspector General

J. Russell George
Inspector General for Tax Administration
(202) 622-6500

Joseph I. Hungate, III
Principal Deputy Inspector General
(202) 622-6500

Karen Kraushaar
Communications Director
(202) 622-6500

Office of Investigations

Timothy Camus
Deputy Inspector General for Investigations
(202) 927-7160

John Fowler
Assistant Inspector General for Investigations - Field Divisions
(202) 927-7182

Randy Silvis
Deputy Assistant Inspector General for Investigations - Field Operations
(202) 927-0150

Michael Delgado
Assistant Inspector General for Investigations - Headquarters Operations
(202) 927-7160

Vacant
Deputy Assistant Inspector General for Investigations - Headquarters Operations
(202) 927-0454

TIGTA Hotline
(800) 366-4484

Operations Division
(202) 927-7160

Technical and Firearms Support Division
(301) 210-8700

Electronic Crimes and Intelligence Division
(202) 283-2122

Procurement Fraud Division
(202) 927-7023

Internal Affairs Division
(202) 927-7261

Office of Audit

Michael Phillips
Deputy Inspector General for Audit
(202) 622-6510

Nancy Nakamura
Assistant Inspector General
Management Services and Exempt Organizations
(202) 622-3837

Michael McKenney
Assistant Inspector General
Returns Processing and Account Services
(202) 622-5916

Margaret Begg
Assistant Inspector General
Compliance and Enforcement Operations
(202) 622-8510

Alan R. Duncan
Assistant Inspector General
Security and Information Technology Services
(202) 622-5894


•	Potentially Dangerous Taxpayer and Caution Upon Contact Cases Are Adequately Controlled, but Improvements in Training and Outreach Are Needed [PDF]

•	Significant Delays Hindered Efforts to Provide Continuous Monitoring of Security Settings on Computer Workstations [PDF]

•	Improper Payments Elimination and Recovery Act Risk Assessments of Revenue Programs Are Unreliable [PDF]


•	Terri Fiorini Sentenced for Unauthorized Inspection of Tax Return Information

•	Cynthia Lewis Pleads Guilty to Unauthorized Disclosure of Tax Return Information

•	John Williamson Sentenced for Retaliating Against IRS Employees



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Last Updated: July 13, 2012