With Halloween upon us, many of us are probably thinking about the otherworldly, the evil, the mysterious, the ghoulish. Maybe you’re watching some classic Halloween movies. A favorite subject of horror movies tends to be demonic possession. The Exorcist and The Exorcism of Emily Rose come to mind immediately. But sometimes diabolical possession can look like a mental illness and vice versa. Can you tell the difference? Take my quiz over at EpicPew to find out.