Ohio Rev. Code Ann. § 145.43
(A) As used in this section and in section 145.45 of the Revised Code:
(C) Except as provided in division (C)(1) of section 145.45 of the Revised Code, if a member dies before age and service retirement and is not survived by a designated beneficiary, the following shall qualify, with all attendant rights and privileges, in the following order of precedence, the member's:
(D) Any amount due a retirant or disability benefit recipient receiving a monthly benefit and unpaid to the retirant or recipient at death shall be paid to the beneficiary designated in writing duly executed on a form provided by the board, signed by the retirant or recipient, and filed with the board. If no such designation has been filed, or if the designated beneficiary is not located within ninety days, any amounts payable under this chapter due to the death of the retirant or recipient shall be paid in the following order of precedence to the retirant's or recipient's:
(F) As used in this division, "recipient" means an individual who is receiving or may be eligible to receive an allowance or benefit under this chapter based on the individual's service to a public employer. If the death of a member, a recipient, or any individual who would be eligible to receive an allowance or benefit under this chapter by virtue of the death of a member or recipient is caused by one of the following beneficiaries, no amount due under this chapter to the beneficiary shall be paid to the beneficiary in the absence of a court order to the contrary filed with the board:
(1) A beneficiary who is convicted of, pleads guilty to, or is found not guilty by reason of insanity of a violation of or complicity in the violation of either of the following: