About the Staff

The Inspector General is appointed by the Governor. The staff of the Office of Inspector General serves at the pleasure of the Inspector General.

In addition to the Inspector General, the Office of Inspector General is comprised of a Deputy Inspector and Investigators.




Deborah Wallace, CIG, CFE - State Inspector General
Ms. Wallace is originally from Athens, Tennessee.

Ms. Wallace has been with the office since its inception in 2003. She worked initially as a Deputy Inspector General, then Senior Deputy Inspector General, serving under three prior State Inspectors General before accepting her current responsibilities as Inspector General.

As Inspector General, Ms. Wallace directs the Office responsible for investigating allegations of fraud, waste, and abuse in the Executive Branch of state government. Ms. Wallace has twenty five years of experience conducting administrative and criminal investigations in both state and federal government and holds credentials as a Certified Inspector General (CIG) and Certified Fraud Examiner (CFE).  A retired Lieutenant Commander, she is also a twenty year veteran of the U.S. Navy, skilled in the areas of leadership, management, and administration.

Her professional experience in the federal government includes working as a Criminal Investigator with the U.S. Naval Criminal Investigative Service, Compensation Investigator with the U.S. Army Criminal Investigative Division, and Security Specialist with the U.S. Department of Energy. Ms. Wallace also worked for the State of Tennessee as an Internal Affairs Investigator and Program Manager for the Department of Corrections. She earned her Bachelors in Management Science from Chaminade University and her Master’s degree in Education Administration from Troy State University.  Ms. Wallace is also a graduate of the Federal Law Enforcement Training Center (FLETC), the Tennessee Bureau of Investigations’ Special Agent Training, and both Tennessee and Georgia State Government Executive Leadership Programs.


Cameron Rabbitt - Deputy Inspector General
Mr. Rabbitt is from the Atlanta, Georgia area.

Mr. Rabbitt has years of investigative and management experience.  Mr. Rabbitt, who is Georgia POST certified, successfully investigated a wide variety of crimes, including Medicaid fraud, property crimes, and crimes against persons. He also trained numerous investigators and State employees in fraud prevention and detection. 

Prior to accepting his position as a Deputy Inspector General, Mr. Rabbitt worked as the Chief Investigator for the Medicaid Fraud Control Unit under the Georgia Department of Law.  As Chief Investigator, he led investigations while supervising twelve investigators.  He previously served as a law enforcement officer for the City of Atlanta Police Department.  He also served as a detective for the City of Olympia Police Department in the State of Washington.

Mr. Rabbitt received advanced training in interviews and interrogations, and a variety of other topics related to the anti-fraud profession, criminal procedure, and public safety.  He earned his Bachelor’s degree in Criminal Justice from Georgia State University in addition to continuing education in management courses. 

Liana Rummel, CPA, CFE - Investigator
Ms. Rummel is from the Pittsburgh, Pennsylvania area.

Ms. Rummel is a Georgia Southern University graduate who holds a Master of Accounting degree with a Forensic Accounting Concentration. While earning her Bachelor’s degree in Business Administration in Accounting, she minored in fraud examination. Ms. Rummel joined our office in 2012 and is a Certified Public Accountant (CPA) and a Certified Fraud Examiner (CFE).  Ms. Rummel also received advanced training in criminal and administrative investigations, financial forensic techniques, interviews and interrogations, public corruption, and data analysis techniques.

As a Global Internal Audit Services Intern with the Corporate Home Office of Wal-Mart Stores, Inc., Ms. Rummel performed risk assessments and conducted audit testing and documentation. As an anti-fraud professional, she has conducted extensive interviews, researched proposed company policy, and presented recommendations to high level executives.  


Austin Mayberry, CPA, CFE - Investigator
Mr. Mayberry is originally from Toledo, Ohio

Mr. Mayberry is a Certified Public Accountant (CPA) and a Certified Fraud Examiner (CFE).  Prior to accepting his position as an Investigator in March 2014, he worked as a member of the National Financial Services Group for BKD, LLP, a national accounting firm, in Cincinnati, Ohio.  Mr. Mayberry specialized in external audit, internal audit outsourcing and co-sourcing, and regulatory compliance review. During his time in public accounting, Mr. Mayberry served numerous institutions ranging in asset size from thirty million to two trillion dollars spanning a diverse industry set.

Mr. Mayberry received advanced training in criminal and administrative investigations, fraud examinations, interviews and interrogations, contract and grant fraud examinations, and public corruption.  Mr. Mayberry earned both his Bachelors of Science in Business majoring in Accounting and his Masters of Accounting degrees from Miami University in Oxford, Ohio, where he minored in business legal studies. 


Misti Williams, CFE  -  Investigator
Ms. Williams is originally from Birmingham, Alabama.

Ms. Williams is a Certified Fraud Examiner (CFE) with over ten years of investigative experience.  Prior to accepting her position as an Investigator in February 2016, she served as an Investigator for the State of Georgia Department of Public Health Office of Inspector General.  In her role, she investigated employee misconduct and conducted background investigations on numerous internal applicants.

Ms. Williams also served eight years as a law enforcement officer at the Houston County Sheriff’s Office in Dothan, Alabama.  As an officer, she patrolled the streets, investigated crimes, and conducted interviews with suspects, witnesses, and informants.  She also participated in undercover operations, which involved coordinating with other federal, state, and local agencies.

Ms. Williams earned a Master of Science in Organizational Leadership degree from Columbia Southern University and a Bachelor of Science in Criminal Justice degree from Troy University.  She also received advanced training in fraud examinations, computer forensics, interviews and interrogations, intelligence collection, and safety.