PIERRE - United States Attorney Alison J. Ramsdell announced today that U.S. District Judge Eric C. Schulte has sentenced a Sioux Falls, South Dakota, man convicted of Failure to Register as a Sex Offender. The sentencing took place on September 9, 2024.

Calvin Spotted Tail, 44, was sentenced to 27 months in federal prison, followed by five years of supervised release, and ordered to pay a $100 special assessment to the Federal Crime Victims Fund.

Spotted Tail was indicted by a federal grand jury in December of 2023. He pleaded guilty on June 6, 2024.

On December 1, 2005, Spotted Tail pleaded guilty to Sexual Abuse in federal court in South Dakota. As a result of this conviction, Spotted Tail is required to register as a sex offender pursuant to the Sex Offender Registration and Notification Act (SORNA). Spotted Tail last registered with authorities on October 31, 2023. He left his registered address on November 2, 2023, did not return, and did not update his registration as required. Spotted Tail was arrested on October 31, 2023, in Sioux Falls.

This case was brought as part of Project Safe Childhood, a nationwide initiative to combat the growing epidemic of child sexual exploitation and abuse, launched in May 2006 by the Department of Justice. Led by the U.S. Attorneys' Offices and the DOJ's Child Exploitation and Obscenity Section, Project Safe Childhood marshals federal, state, and local resources to locate, apprehend, and prosecute individuals who exploit children, as well as identify and rescue victims. For more information about Project Safe Childhood, please visit https://www.justice.gov/psc.

This case was investigated by the U.S. Marshals Service. Assistant U.S. Attorney Brian J. Murphy prosecuted the case.

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