United States Attorney Ron Parsons announced that a Pierre, South Dakota, man convicted of Failure to Register as a Sex Offender was sentenced on January 11, 2021, by Chief Judge Roberto A. Lange, U.S. District Court.
Sandy Mangelson, age 34, was sentenced to time served through April 12, 2021, equal to approximately 13 months in custody, five years of supervised release, and a special assessment to the Federal Crime Victims Fund in the amount of $100.
Mangelson was indicted by a federal grand jury on September 1, 2020. He pled guilty on November 5, 2020.
Mangelson was convicted of Sexual Contact With a Child Under Sixteen in November 2005 and Gross Sexual Imposition (with a child) in 2007. As a result of those convictions, he is required to register as a sex offender and to update his registration within three business days of relocation or changing employment. Between December 5, 2019, and December 10, 2019, Mangelson failed to register and update his registration.
This case was investigated by the U.S. Marshals Service. Assistant U.S. Attorney Michael J. Elmore prosecuted the case.
Mangelson was immediately turned over to the custody of the U.S. Marshals Service.