Source: United States Department of Justice Criminal Division
United States Attorney Ron Parsons announced today that Frank White Thunder, age 38, of Mission, South Dakota, was found guilty of Second Degree Murder, Commission of a Crime of Violence While Failing to Register as a Sex Offender, Robbery, Assault With a Dangerous Weapon, Assault Resulting in Serious Bodily Injury, and Failure to Register as a Sex Offender following a four-day federal jury trial in Pierre, South Dakota. The jury issued its verdict on January 30, 2026.