Ohio Rev. Code § 2739.04
No person engaged in the work of, or connected with, or employed by any noncommercial educational or commercial radio broadcasting station, or any noncommercial educational or commercial television broadcasting station, or network of such stations, for the purpose of gathering, procuring, compiling, editing, disseminating, publishing, or broadcasting news shall be required to disclose the source of any information procured or obtained by such person in the course of his employment, in any legal proceeding, trial, or investigation before any court, grand jury, petit jury, or any officer thereof, before the presiding officer of any tribunal, or his agent, or before any commission, department, division, or bureau of this state, or before any county or municipal body, officer, or committee thereof.
Every noncommercial educational or commercial radio broadcasting station, and every noncommercial educational or commercial television broadcasting station shall maintain for a period of six months from the date of its broadcast thereof, a record of those statements of information the source of which was procured or obtained by persons employed by the station in gathering, procuring, compiling, editing, disseminating, publishing, or broadcasting news.
As used in this section:
R.C. §2739.04