A Gardnerville man has pleaded guilty to child sexual exploitation. 26-year-old Stephan DeGraffenreid pleaded guilty to one count of sexual exploitation of a minor and two counts of attempted sexual exploitation. DeGraffenreid faces a mandatory minimum penalty of 15 years in prison for each charge at sentencing in November. Police found child pornography on an Apple iPod Touch at the Children’s Ski School at Heavenly Ski Resort. It belonged to DeGraffendried a former employee. In January officers with the Northern Nevada Online Child Exploitation Task Force found a thumb drive in De Graffenreid’s home that contained explicit images of children in a church childcare facility restroom in Gardnerville.