“Did you see that?! Did you? What the [bleep] was that?!” No. Wait. Yes—I saw . . . something. Maybe? Something in the shaky camera work, in the grainy footage, between the hysteria and the tears, I am sure I saw something . . . didn’t I? The Blair Witch Project (1999) shouldn’t need much of an introduction. It was a documentary-style horror film about a group of young adults who venture into a folk legend. They get lost in the woods;...