The man died from a gunshot wound according to Yakima County Coroner Jim Curtice. The man's name hasn't been released. Because the man was found on the reservation the FBI and Yakima Nation police are handling the investigation.
According to the initial report, the victim was unresponsive, not breathing and CPR was in progress. YPD officers also responded, and rescuers discovered that the man had suffered a stab wound to the chest.