A U.S. District Chief Judge has sentenced a Yankton, South Dakota, man convicted of Distribution of a Controlled Substance Resulting in Serious Bodily Injury. The sentencing took place on July 7, 2025.
Matthew Williams, age 33, was sentenced to 22 years in federal prison and four years of supervised release. He was ordered to pay a special assessment to the Federal Crime Victims Fund in the amount of $100.
Williams was indicted by a federal grand jury in November 2023. He pleaded guilty on April 2, 2025.
The conviction stemmed from an incident on March 17, 2022, when Williams intentionally distributed a pill containing fentanyl to one of his drug customers who ingested it and overdosed. Paramedics were called to the residence and administered a dose of Narcan, which saved the victim’s life.
This case was investigated by the Sioux Falls Police Department. Supervisory Assistant U.S. Attorney Connie Larson and Assistant U.S. Attorney Elizabeth A. Ebert-Webb prosecuted the case.
Williams was immediately remanded to the custody of the U.S. Marshals Service.
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