GRAND PORTAGE, Minn. (AP) -- Authorities are investigating the killing of a man whose remains were found on the shore of Lake Superior in Grand Portage.

The Midwest Medical Examiner’s Office says 34-year-old Richard Anthony Balsimo died of homicidal violence. No other details about his death were released.

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Authorities say Balsimo was last seen in St. Paul on June 20. Reports say dive teams located his remains in Lake Superior last week.

A Duluth man has been arrested for aiding an offender and interference with a dead body for his role in the incident.

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