"The caller indicated that the death may have been caused by a bear attack," the news release said. Start the day smarter. Get all the news you need in your inbox each morning. Multiple agencies,

CBS News reports that Kjersem sustained "multiple chop wounds," including to his skull, according to an autopsy.

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

Sheriff’s deputies in Montana are searching for an unidentified killer whose crime was so vicious the original 911 caller thought the victim had been mauled by a bear. Dustin Kjersem, 35, was supposed to spend the weekend camping near Big Sky with a friend,

When Dustin Kjersem was found dead in his tent, his friend thought a bear did it — but police say something much more sinister took place.