Sioux Falls, S.D. (AP)  A South Dakota man has been sentenced to more than 18 years in prison for having sexual contact with an 8 year old boy.

U.S. Attorney Brendan Johnson announced that 30 year old Markis Rattling Leaf of Mission has been sentenced to 18 and a half years in prison and five years of supervised release.

Rattling Leaf pleaded guilty to having sexual contact with the boy last November.