South Dakota Man Found Guilty of Failure to Register as a Sex Offender

SIOUX FALLS - United States Attorney Alison J. Ramsdell announced that a jury has convicted Lance Quintin Longie, age 40, of South Dakota of Failure to Register as a Sex Offender following a one-day jury trial in federal district court in Aberdeen. The verdict was returned on August 5, 2024.

The charges carry a penalty of a maximum of 10 years in custody and/or a $250,000 fine, a mandatory minimum of five years and a maximum of life of supervised release, and a $100 special assessment to the Federal Crime Victims Fund.

Longie was initially indicted by a federal grand jury in May of 2024.

Longie is required to register a sex offender under the Sex Offender Registration and Notification Act because he was convicted of Criminal Sexual Conduct in the First Degree in 2004 in the District Court of Minnesota, Clay County. In the summer of 2022, Longie was residing in Moorhead, Minnesota, and last registered with the Moorhead Police Department on June 29, 2022. Later that summer, Longie travelled to South Dakota and took up residence in New Effington. Longie remained at the New Effington address and did not update the sex offender registry in South Dakota until he was arrested at the residence by officers with the Roberts County Sheriff's Office on March 22, 2024.

This case was investigated by the U.S. Marshals Service. Assistant U.S. Attorneys Beau J. Blouin and Connie Larson prosecuted the case.

A presentence investigation was ordered. A sentencing date has not been set. The defendant was remanded to the custody of the U.S. Marshals Service.