Night of the Demon

In this 1980 horror film, an anthropology professor embarks on an expedition with his students to prove the existence of Bigfoot in Northern California, only to be stalked and systematically slaughtered by the creature. As they delve deeper into the woods, they uncover a sinister plot involving a Satanic cult and a mutant half-human child born from the beast's brutal rape of its female victim. The group faces a series of gruesome attacks and ultimately descends into chaos as the true horror is revealed.