Ohio Rev. Code § 2725.12: Execution and return of writ.

The officer or person to whom a writ of habeas corpus is directed shall convey the person imprisoned or detained, and named in the writ, before the judge granting the writ, or, in case of his absence or disability, before some other judge of the same court, on the day specified in the writ. Said officer or person shall make due return of the writ, together with the day and the cause of the caption and detention of such person, according to its command.