Conducts confidential internal reviews, investigations, and evaluations of administrative, security, fiscal, legal, and city government internal policies, systems, and procedures involving matters of conflict of interest, mismanagement, embezzlement, contract fraud, workers' compensation fraud, employee misconduct, identity theft, property and information theft, drug abuse and related incidences. Maintains liaison and confers with local, state, and federal law enforcement, credit and financial agencies, and officials to coordinate work efforts and joint investigations, prevent duplication of work, and compromise case strategies.