Serna was sentenced to more than 23 years in prison for a 2017 shooting that critically wounded Logan Cole at a high school in West Liberty.
Serna was 17 at the time of the shooting. His lawyers argued that his age should have been taken into account in his sentencing for charges that included attempted murder. A state appeals court concluded the judge acted properly in his sentencing.
Prosecutors in Champaign County had argued that Serna’s lawyers were making arguments already rejected by the appeals court and that the state’s high court didn’t need to get involved.