Former South Dakota legislative candidate sentenced for sexually assaulting daughter

April 12, 2023

PIERRE, S.D.–A former South Dakota legislative candidate has been sentenced to 10 years in prison for sexually assaulting his adoptive daughter.

Joel Koskan earlier pleaded guilty to two counts of felony Incest. Koskan’s adoptive daughter spoke briefly in court saying she wanted what was right and that Koskan should be punished.

Included in the sentence is over $20,000 in fines and court costs. Koskan is from Wood in Mellette County. Both parties agreed to hold the sentencing in Hughes County for scheduling purposes.