Rapid City Man Sentenced to Six Years for Drug Trafficking Conspiracy

DOJ Press

United States Attorney Alison J. Ramsdell announced that a Rapid City, South Dakota, man convicted of Conspiracy to Distribute a Controlled Substance was sentenced on August 19, 2022, by U.S. District Judge Karen E. Schreier.

Mark Twogood, age 57, was sentenced to six  years in federal prison, followed by five years of supervised release, and a $100 special assessment to the Federal Crime Victims Fund.

Twogood was indicted for Conspiracy to Distribute a Controlled Substance by a federal grand jury in January of 2020.  He pleaded guilty on May 18, 2022.

During his involvement in the conspiracy, Twogood and other co-conspirators obtained and transported methamphetamine between Colorado and South Dakota.  The methamphetamine was then distributed in western South Dakota for use and distribution by others.  Two co-defendants have previously been sentenced.


This case was investigated by the Unified Narcotics Enforcement Team (UNET).  UNET is comprised of law enforcement from the Pennington County Sheriff’s Office, Rapid City Police Department, South Dakota Division of Criminal Investigation, South Dakota Highway Patrol, and the South Dakota National Guard.  Assistant U.S. Attorney Gina S. Nelson prosecuted the case.


Twogood was immediately remanded to the custody of the U.S. Marshals Service.

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