MITCHELL, SD (Mitchell Now) — A Brule County grand jury has indicted Michael Ottmo, 18, of Chamberlain, on two counts of first-degree manslaughter and one count of aggravated assault in the death of Dustin Thomas, 44, of Chamberlain.
South Dakota Attorney General Marty Jackley and Brule County State’s Attorney Theresa Maule announced the indictment in a Nov. 10 release. The grand jury returned the indictment Monday, Nov. 9.
What Charges Does Ottmo Face?
Ottmo faces a maximum sentence of life in prison on each manslaughter count and 15 years on the aggravated assault count if convicted, according to prosecutors. He is presumed innocent unless and until proven guilty.
The indictment follows Mitchell Now’s earlier report on Ottmo’s arrest in the Chamberlain stabbing investigation. At that time, authorities announced an aggravated assault charge and said additional charges were pending.
What Happened In Chamberlain?
Chamberlain police responded to a residence at 5:15 p.m. Sunday, Nov. 1, where Thomas was found seriously injured. He was later pronounced dead at a local hospital.
Ottmo’s arraignment is scheduled for 1:30 p.m. Tuesday, Nov. 17, in Chamberlain.
Who Is Investigating The Case?
The South Dakota Division of Criminal Investigation is leading the ongoing investigation, assisted by Chamberlain police, the Brule County Sheriff’s Office and the South Dakota Department of Game, Fish and Parks.
The South Dakota Attorney General’s Office and Brule County State’s Attorney’s Office are prosecuting the case.