Ohio Revised Code Title I. State Government § 121.421

(A) Notwithstanding division (D)(3) of section 121.41 of the Revised Code, in order to determine whether wrongful acts or omissions have been committed or are being committed by present or former employees, the inspector general shall investigate employees of the office of the attorney general who are contractually vested with duties to enforce Chapter 3772. of the Revised Code, including any designated bureau of criminal identification and investigation support staff that are necessary to fulfill the investigatory and law enforcement functions of the Ohio casino control commission. The inspector general and any deputy inspector general may administer oaths, examine witnesses under oath, and issue subpoenas and subpoenas duces tecum to employees of the office of the attorney general to compel the attendance of witnesses and the production of all kinds of books, records, papers, and tangible things deemed necessary in the course of any such investigation.

(B) The inspector general may enter into any contracts that are necessary to complete an investigation. The contracts may include contracts for the services of persons who are experts in a particular field and whose expertise is necessary for successful completion of the investigation.

(C) If the authority of the attorney general terminates or expires, the authority vested in the inspector general by this section terminates upon the conclusion of ongoing investigations or upon issuance of the final report of the investigations.