VIDEO : Exclusive Interview: Maria Bello explains how depression helped her with the horror flick 'L

'Lights Out' is a new horror movie that's just hit cinemas. It centers around a brother and sister who share a terrifying experience that brings them face to face with an entity that has an attachment to their chronically depressed mother. In this exclusive interview, Maria Bello, who plays the mother, explains how she managed to get in touch with her character.