Ohio Revised Code Title XXIX. Crimes Procedure § 2921.25

(A) No judge of a court of record, or mayor presiding over a mayor's court, shall order a peace officer, parole officer, prosecuting attorney, assistant prosecuting attorney, correctional employee, or youth services employee who is a witness in a criminal case, to disclose the peace officer's, parole officer's, prosecuting attorney's, assistant prosecuting attorney's, correctional employee's, or youth services employee's home address during the peace officer's, parole officer's, prosecuting attorney's, assistant prosecuting attorney's, correctional employee's, or youth services employee's examination in the case, unless the judge or mayor determines that the defendant has a right to the disclosure.

(B) As used in this section: