A Naperville man has been sentenced to thirteen years in prison for supplying a fatal dose of fentanyl to an Addison woman. Courvoisier Thomas, 40, appeared at his sentencing hearing Thursday afternoon in front of Judge Mia McPherson, who handed down the sentence. On September 27, 2023, Thomas entered a plea of guilty to one count of Drug Induced Homicide, a Class X Felony.