Ohio Rev. Code § 2921.05: Retaliation.

(A) No person, purposely and by force or by unlawful threat of harm to any person or property, shall retaliate against a public servant, a party official, or an attorney or witness who was involved in a civil or criminal action or proceeding because the public servant, party official, attorney, or witness discharged the duties of the public servant, party official, attorney, or witness.

(B) No person, purposely and by force or by unlawful threat of harm to any person or property, shall retaliate against the victim of a crime because the victim filed or prosecuted criminal charges.

(C) Whoever violates this section is guilty of retaliation, a felony of the third degree.