News and Press Releases

Fort Thompson Woman Charged with Assault with a Dangerous Weapon

March 14, 2014
Contact: Ace Crawford

United States Attorney Brendan V. Johnson announced that a Fort Thompson, South Dakota, woman has been indicted by a federal grand jury for Assault with a Dangerous Weapon.

Mary St. John, a/k/a Mary Hoisington, age 48, was indicted on March 11, 2014. She appeared before U.S. Magistrate Judge Mark A. Moreno on March 13, 2014, and pled not guilty to the Indictment.

The maximum penalty upon conviction is up to 10 years in custody and/or a $250,000 fine, 3 years of supervised release, and $100 to the Federal Crime Victims Fund.  Restitution may also be ordered.

The Indictment alleges that on January 19, 2014, St. John assaulted someone with a dangerous weapon.
The charge is merely an accusation and St. John is presumed innocent until and unless proven guilty. 

The investigation is being conducted by the Bureau of Indian Affairs.  Assistant U.S. Attorney Meghan N. Dilges is prosecuting the case.   

St. John was remanded to the custody of the U.S. Marshals Service pending trial.  A trial date has not been set.




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