Alison J. Ramsdell U.S. Attorney | U.S. Attorney for the District of South Dakota
A Fort Thompson man has been sentenced for failing to register as a sex offender, according to an announcement from United States Attorney Alison J. Ramsdell. U.S. District Judge Eric C. Shulte handed down the sentence on July 29, 2025.
Stuart Dion, 41, received a sentence of time served through August 4, 2025, which amounts to 11 and a half months in custody. He will also serve five years of supervised release and must pay a $100 special assessment to the Federal Crime Victims Fund.
Dion was indicted by a federal grand jury in January 2025 and pleaded guilty on July 14, 2025.
According to court documents, Dion is required by federal law to register as a sex offender because of a previous conviction for Sexual Abuse of a Minor. He has previously been convicted for failing to register. After his most recent release from prison, Dion registered an address in Fort Thompson on the Crow Creek Sioux Indian Reservation in March 2024. On April 11, 2024, he moved from that address and did not update his registration with authorities as required by law.
The case was prosecuted under Project Safe Childhood, an initiative started by the Department of Justice in May 2006 aimed at fighting child sexual exploitation and abuse. The program brings together federal, state, and local resources to find and prosecute offenders and rescue victims. More information about Project Safe Childhood can be found at https://www.justice.gov/psc.
The U.S. Marshal’s Service investigated the case. Assistant U.S. Attorney Meghan Dilges handled the prosecution.
"Alison J. Ramsdell announced today that U.S. District Judge Eric C. Shulte, has sentenced a man from Fort Thompson, South Dakota, who had been convicted of Failure to Register as a Sex Offender."
