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Press Release

Fort Thompson Woman Sentenced for Assault

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

United States Attorney Alison Ramsdell announced that a Fort Thompson, South Dakota, woman convicted of Assaulting, Resisting, and Impeding a Federal Officer was sentenced on July 5, 2022, by Chief Judge Roberto A. Lange, U.S. District Court.

Marvel Dion, age 37, was sentenced to 18 months in federal prison, followed by three years of supervised release, and a special assessment to the Federal Crime Victims Fund in the amount of $100.

Dion was indicted by a federal grand jury on March 9, 2020.  She pled guilty on April 4, 2022.

The conviction stemmed from an incident that occurred on February 1, 2020, in Fort Thompson.  Dion repeatedly struck an officer after being informed she was being placed under arrest.

This case was investigated by the Bureau of Indian Affairs – Office of Justice Services, Lower Brule Agency.  Assistant U.S. Attorney Troy R. Morley prosecuted the case.

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

Updated July 12, 2022

Indian Country Law and Justice