Ohio Rev. Code Ann. § 2903.421
(D) If a qualifying out-of-state violent offender files a motion under division (B) of this section, the offender has the burden of proving to the court, by a preponderance of the evidence, that the offender was not the principal offender in the commission of the offense that classifies the person as an out-of-state violent offender. If a qualifying out-of-state violent offender files such a motion, one of the following applies: