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Attorney General Marty Jackley

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Sisseton Man Identified and Located in Sisseton Shooting Incident

PIERRE, S.D – The Division of Criminal Investigation has located and identified Colter Richard Arbach, 22, Sisseton, as one of the deceased individuals at the scene of the shooting incident that occurred at a Sisseton residence early this morning. Preliminary investigation results identify Arbach as the shooter, before taking his own life. Investigators are continuing to locate other individuals who may have been at the scene at the time of the shooting for their involvement or their eyewitness account. Law Enforcement does not feel that the public is in danger at this time.

The investigation is still ongoing. Agencies assisting in this investigation are the Sisseton Police Department, Sisseton-Wahpeton Sioux Tribal Police, Roberts County Sheriff’s Office, South Dakota Highway Patrol, South Dakota Game, Fish and Parks and the Division of Criminal Investigation.