Ohio Rev. Code § 2971.02
In any case in which a sexually violent predator specification is included in the indictment, count in the indictment, or information charging a violent sex offense or a designated homicide, assault, or kidnapping offense and in which the defendant is tried by a jury, the defendant may elect to have the court instead of the jury determine the sexually violent predator specification.
If the defendant does not elect to have the court determine the sexually violent predator specification, the defendant shall be tried before the jury on the charge of the offense and, if the offense is a designated homicide, assault, or kidnapping offense, on the sexual motivation specification that is included in the indictment, count in the indictment, or information charging the offense. Following a verdict of guilty on the charge of the offense and, if the offense is a designated homicide, assault, or kidnapping offense, on the related sexual motivation specification, the defendant shall be tried before the jury on the sexually violent predator specification.
If the defendant elects to have the court determine the sexually violent predator specification, the defendant shall be tried before the jury on the charge of the offense and, if the offense is a designated homicide, assault, or kidnapping offense, on the sexual motivation specification that is included in the indictment, count in the indictment, or information charging the offense. Following a verdict of guilty on the charge of the offense and, if the offense if a designated homicide, assault, or kidnapping offense, on the related sexual motivation specification, the court shall conduct a proceeding at which it shall determine the sexually violent predator specification.
R.C. §2971.02