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Press Release
SIOUX FALLS - United States Attorney Alison J. Ramsdell announced today that U.S. District Judge Karen E. Schreier has sentenced a Worthington, Minnesota, man and a Brandon, South Dakota, man convicted of Conspiracy to Distribute a Controlled Substance.
Keophothone Rounoubon, age 31, was sentenced on April 16, 2024, to 11 years and three months in federal prison, followed by five years of supervised release.
Tremaine Vang Sihavong, age 35, was sentenced on October 28, 2024, to five years and 10 months in federal prison, followed by five years of supervised release.
Rounoubon and Sihavong were indicted by a federal grand jury in August of 2023. Rounoubon pleaded guilty on January 26, 2024, and Sihavong pleaded guilty on August 16, 2024.
Starting in approximately 2020 and ending in approximately 2023, these two defendants agreed together and with others to sell methamphetamine throughout the Sioux Falls area. The conspiracy involved tens of pounds of methamphetamine and thousands of dollars in drug proceeds.
This case was investigated by the FBI. Assistant U.S. Attorney Elizabeth A. Ebert-Webb prosecuted the case.
Rounoubon and Sihavong were remanded to the custody of the U.S. Marshals Service to continue serving their sentences.