When it comes to making a scary movie, writers and directors typically choose to go one of two directions: horror or terror. Horror is putting the monster or killer right in your face and showing off their gruesome skills, replete with blood and guts. Terror, however, keeps what you fear in the shadows. You know something’s out there, but you’re not sure what. It’s all about the unknown, and the unknown is always scarier than the reality. It’s the latter that director Brad Anderson puts to good use in his newest film