ISLE ROYALE, MI – Finalized death certificates show the causes of death for a father and son who were found dead last summer at the remote Isle Royale National Park in the middle of Lake Superior.

The deaths were ruled a murder-suicide with both men dying of stab wounds, WBUP/WJMN reports .

John Baird, 60, and Bradley Baird, 30, both of Washtenaw County’s Salem Township, were found dead on June 8 at the park’s hike-in South Desor Lake Campground.

After months of investigation, the death certificates finally reveal how they died. Both men are believed to have died within “minutes” of their injuries, the report said.

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John Baird’s death was ruled a homicide, the TV station reports. The death certi

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