>> reporter: the next day, bowmar located the dead bear, but social media exploded with reaction. conservation writer johnny sain doesn't object to the hunt, but says posting the video was a mistake. >> i don't think killing an animal should be entertainment. it's a spiritual experience. but i don't know if that's something that needs to be shared with the general audience. >> reporter: in a statement to cbs news, bowmar defended his actions. >> reporter: the public reaction is similar to the killing of cecil the lion last year by american dentist walter palmer. and more recently, 12-year-old hunter aryanna gourdon has received death threats over the facebook photos of her and numerous big game animals she has killed. university of pennsylvania sociologist david grazian. hunting has been around forever. why all this outrage now? >> for the first time in human history, ordinary people have