U.S. District Judge Eric C. Schulte has sentenced a Rosebud, South Dakota, man convicted of two counts of Domestic Assault by an Habitual Offender. The sentencing took place on April 20, 2026.
Marlon Oliver, Jr., age 41, was sentenced to a total of two years and ten months in federal prison, followed by three years of supervised release, and ordered to pay a $200 special assessment to the Federal Crime Victims Fund.
Oliver was indicted by a federal grand jury in March 2025. He pleaded guilty on January 12, 2026.
The convictions stem from two separate incidents that occurred in Todd County in the Rosebud Sioux Indian Reservation. On October 11, 2024, Oliver was at the residence of his domestic partner, argued with her, and then assaulted her by shoving her. On December 1, 2024, Oliver was again at the residence of his domestic partner when she told him to leave. Oliver refused to leave and then threatened her with a knife. At the time of both incidents, Oliver had two prior convictions in Rosebud Sioux Tribal Court for domestic assault.
This matter was prosecuted by the U.S. Attorney’s Office because the Major Crimes Act, a federal statute, mandates that certain violent crimes alleged to have occurred in Indian country be prosecuted in federal court as opposed to state court.
This case was investigated by the Rosebud Sioux Tribe Law Enforcement Services. Supervisory Assistant U.S. Attorney Kirk Albertson prosecuted the case.
Oliver was immediately remanded to the custody of the U.S. Marshals Service.
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