American Killing (2016)

Jeb is a lonely filmmaker and creator of a failing TV show. A writing retreat in the mountains intended to save his show becomes a stage for the hidden cameras that intensify his obsession with his co-workers and the joy of manipulating their lives. But when Jeb is fired from the show, his alienation reaches a self-destructive climax, and he returns with his loyal camera for one final spectacle of horror and violence sure to be consumed by the masses.