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Press Release

Porcupine Man Sentenced to Over 15 Years in Federal Prison

For Immediate Release
U.S. Attorney's Office, District of South Dakota

United States Attorney Ron Parsons announced that a Rapid City, South Dakota, man convicted of Aggravated Sexual Abuse was sentenced by Chief Judge Jeffrey L. Viken, U.S. District Court.

Don Williams, age 47, was sentenced on July 1, 2019, to 15 ½ years in federal prison, followed by 5 years of supervised release, and ordered to pay a $100 special assessment to the Federal Crime Victims Fund.

Williams was indicted by a federal grand jury in October 2018.  The charge related to Williams grabbing a female victim and forcing her to his bedroom. Williams struck her in the head, causing her to lose consciousness.  She awoke to Williams sexually abusing her.

This case was investigated by the Bureau of Indian Affairs - Office of Justice Services and the Oglala Sioux Tribe Department of Public Safety.  Assistant U.S. Attorneys Megan Poppen and Cassandra DeCoste prosecuted the case.

Williams was immediately turned over to the custody of the U.S. Marshals Service.

Updated July 8, 2019

Indian Country Law and Justice
Violent Crime