Ohio Rev. Code Ann. § 2909.27
(B) No person shall knowingly use, deploy, release, or cause to be used, deployed, or released any chemical weapon, biological weapon, radiological or nuclear weapon, or explosive device with the intent to do any of the following:
(D)
(1) Division (A) of this section does not apply to any person who uses any of the following:
(2) For purposes of this division, "a purpose not prohibited under this section" means any of the following: