There have been previous grizzly bear attacks in the forests of southwestern Montana, but investigators found no evidence of any bears at Kjersem's campsite. They're now investigating 35-year-old Kjersem's death as a homicide, after an autopsy revealed he was killed by multiple chop wounds inflicted by an unknown weapon.

Dustin Kjersem sustained "multiple chop wounds," including to his skull, an autopsy revealed. His killer has not been found.

A man’s death that was previously reported as a bear attack is now being investigated by Montana authorities as a homicide. On Oct. 12, the body of 35-year-old Dustin Kjersem, of Belgrade, was discovered inside a tent in the wilderness north of Big Sky in Gallatin County.