Blood Trail by CJ Box

It's elk season in the Rockies, but a different kind of hunter is stalking prey in this novel in the #1 New York Times bestselling Joe Pickett series. Game wardens have found a man dead at a mountain camp--strung up, gutted, and flayed as if he were the elk he'd been hunting. Is the murder the work of a deranged anti-hunting activist or of a lone psychopath with a personal vendetta? Wyoming game warden Joe Pickett is the man to track the murderer and stop him, before someone declares open season on humans...