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An Ellsworth sergeant has been convicted of assault and penalized with a demotion to the Air Force’s lowest rank.

 Staff Sgt. J. Hagemann was found guilty of assault consummated by a battery on Sept. 8 following a special court-martial on Ellsworth Air Force Base, according to a report on the Judge Advocate General’s Corps website.

The victim, an employee subordinate to Hagemann, suffered no physical injuries, Longoria said in response to questions. Hagemann was sentenced to a four-rank reduction to airman basic, the lowest enlisted position in the Air Force.