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The Inspector General has the authority to appoint all staff members, and all OIG staff serves at the will of the Inspector General.The OIG strives to reflect the diversity of our great community. The OIG staff is: 55% male, 45% female, 42% Hispanic, 32% White, 21% Black and 5% Asian. The Inspector General is committed to recruiting qualified employees who reflect the makeup of Miami-Dade County.

OIG Staff



Mary Cagle

Mary T. Cagle
Inspector General

Mary Cagle’s appointment to the position of Inspector General was confirmed by a unanimous vote of the Miami-Dade Board of County Commissioners on December 17, 2013. She began her four-year term on February 3, 2014. In February of 2018 she was reappointed as Inspector General for Miami-Dade County and through an Interlocal Agreement between the School Board of Miami-Dade County and the County she is also the Inspector General for the Miami-Dade School District.

Ms. Cagle’s career includes many years of leadership and distinguished service at the Office of the State Attorney for the Eleventh Judicial Circuit. Her twenty-two year career focused on the litigation and management of major investigations and prosecutions related to Public Corruption and Organized Crime. While serving as the Chief Assistant to the State Attorney she supervised Special Prosecutions, including litigation involving corruption, narcotics, gangs, economic crime, organized crime, racketeering, and money laundering. Ms. Cagle also supervised a large staff of felony attorneys; engaged in high profile communications with law enforcement, the judiciary, and the community; and supervised all cases involving electronic surveillance.

In 2004, Ms. Cagle was recruited to be the Chief Executive Officer for CHARLEE Homes for Children. Ms. Cagle transitioned CHARLEE to a full case management foster care agency, as the State was privatizing the foster care system in Florida. CHARLEE, a non-profit organization, had a budget of $17 million dollars and a staff of 175 dedicated professionals serving 1,000 abused, neglected and abandoned children.

From September 2007 to December 2013, Ms. Cagle was the Statewide Director of Children’s Legal Services for the Department of Children and Families. She was tapped by Bob Butterworth, Secretary of the Department, to raise the quality of legal services. She provided leadership and oversight to a staff of 450 individuals, including 250 attorneys, and managed a $40 million dollar budget. Her responsibilities included providing legal advice to investigators and managing all of the litigation in Florida’s dependency system.

Ms. Cagle received her Juris Doctor degree from Thomas M. Cooley Law School in Lansing, Michigan and attained her Bachelor of Arts Degree in History from Calvin College in Grand Rapids, Michigan. Ms. Cagle is a member of the Michigan and Florida Bar Associations.

Felix Jimenez

Felix Jimenez
Deputy Inspector General

Felix Jimenez is the Deputy Inspector General for the Miami-Dade County Office of the Inspector General. He has been with the OIG since February 2009. Mr. Jimenez supports the Inspector General by helping to oversee a multi-disciplinary office of investigators, auditors, attorneys, contract oversight specialists, and support personnel in performing the functions of the Office. He has direct supervision of a staff of 17 investigators and analysts.

Mr. Jimenez is a 28-year veteran of the Miami-Dade Police Department, where he served ten years supervising homicide investigations and was later tasked with developing the department’s Public Corruption Investigations Unit. He has taught at law enforcement agencies throughout the United States, including the South Florida Metropolitan Police Institute and at the FBI Academy, in the areas of Public Corruption Investigation and Violent Crime Investigation.

As a supervisor in the Homicide Bureau, Mr. Jimenez participated in over 500 death investigations and was directly involved in several high profile investigations. He also led the department’s Centac-26 squad investigating homicides involving organized drug trafficking organizations.

While in the Public Corruption Unit, Mr. Jimenez supervised investigations involving government employees, law enforcement officers, contractors, and elected officials. He later directed a task force consisting of federal, state and local law enforcement agents resulting in numerous state and federal prosecutions.

Mr. Jimenez received his Bachelor of Public Administration degree from Barry University in Miami Shores, Florida. He received his certification as a Certified Inspector General Investigator in 2011 and as a Certified Inspector General in 2015.

Patra Liu

Patra Liu
General Counsel

Patra Liu has been with the OIG since 2000 and has been serving as its General Counsel since that time. As the Inspector General’s chief legal advisor, she serves by providing independent legal advice on both procedural and substantive matters within the jurisdiction of the office.  She heads the Legal Unit, which includes four attorneys and three contract oversight specialists. Her current responsibilities include implementing prospective contract oversight priorities, monitoring current and ongoing contractor performance, and conducting quality assurance assessments on all OIG reports.  Ms. Liu has also held the position of Assistant IG for Audit and Contract Oversight (concurrent with the position of Legal Counsel from 2002 to 2014) and was the OIG’s Interim Inspector General from April 2013 to January 2014.

Before joining the OIG, Ms. Liu was a white collar fraud prosecutor working in the Economic Crimes Unit of the Miami-Dade State Attorney’s Office. She was also an Assistant Attorney General in the Medicaid Fraud Control Unit directly prior to joining the OIG.  Ms. Liu received both her Juris Doctor and Bachelor of Arts degrees from the University of Washington in Seattle, Washington. She is a member of the Florida and Washington State Bar Associations. Ms. Liu became a Certified Inspector General in 2003 and earned the designation of Certified Inspector General Auditor in 2009. Both certifications are accorded by the Association of Inspectors General (AIG), a national organization.

James Schlotzhauer

James Schlotzhauer
Audit Manager
James Schlotzhauer is the Audit Manager for the Miami-Dade County Office of the Inspector General. He has been with the OIG since December 2015. Mr. Schlotzhauer supports the Inspector General and Deputy Inspector General in the overall mission of the office and specifically by managing the audit unit comprised of two supervisors and five auditors.

Mr. Schlotzhauer has over 20 years of experience in the financial sector as well as over 15 years of experience in municipal or government-sponsored-entities (GSE) operations. Mr. Schlotzhauer began his current career in 1997, while working for a local bank in Oklahoma City. Moving over to KPMG’s Management Advisory Services in 2003, he focused on growing the firm’s banking practice in the Southwest region. In 2005, he transferred to KPMG’s Financial Risk Management practice, where the focus was on risk management, model creation and validation focused on portfolio valuations and predictive behavior.

During the height of the credit crisis in 2008, Mr. Schlotzhauer directed a start-up firm which focused on securing, maintaining, and assigning accounting values to the assets of its main client, a $600 billion banker’s bank. His team of 12 delivered portfolio valuation services through proprietary modeling and “on-the-ground” due diligence evaluations, risk management services, and collateral vault creation/management services. His firm also acted as investment banker for the client regarding the sale of a large savings and loan entity, in which his client held over $12 billion in assets.

Mr. Schlotzhauer received a Bachelor’s degree in Organizational Leadership and a Masters of Business Administration in Finance. He maintains a Certified Inspector General Auditor (CIGA) designation accorded by the Association of Inspectors General (AIG) as well as a Certified Financial Services Auditor (CFSA) designation accorded by The Institute of Internal Auditors (IIA).

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