MINNEAPOLIS (WCCO) — Officials in Cass County say a 15-year-old has been taken into custody in connection to the death of a 19-year-old man in Cass Lake.

According to Cass County Sheriff Tom Burch, deputies responded to an emergency call Monday at 5:53 p.m. at a residence in Cass Lake. Upon arrival, a deceased man was found at the residence.

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An investigation was then initiated with assistance from the Leech Lake Tribal Police Department and the Minnesota Bureau of Criminal Apprehension.

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The victim was identified Thursday as Brandon Morgan Jr. His cause of death has been ruled a homicide.

During the course of the investigation, Burch says a 15-year-old boy was taken into custody and formal charges are pending.

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The investigation is ongoing.