This undated photo shows Jeff Mizanskey. The Missouri man sentenced to life without parole for marijuana-related offenses is eligible for parole Friday, May 22, 2015, after Gov. Jay Nixon commuted his sentence.

Jefferson City Correctional Center via AP

This undated photo shows Jeff Mizanskey. The Missouri man sentenced to life without parole for marijuana-related offenses is eligible for parole Friday, May 22, 2015, after Gov. Jay Nixon commuted his sentence.