Graham explained his tracking method of entering the mind of the killer, although it meant he would became psychotic, and it took a tremendous toll before he could completely recover: "I tried to build feelings in my imagination like the killer had so that I would know why he did what he did, because that would help me find him.It was feared that the school""s Chamber - "home of a monster" - would cause the closure of the school.With the tagline: "One journey started it all."It was filmed with new technology that used 48 images (or frames) for every second of footage rather than the traditional 24 frames per second rate, thereby enhancing clarity and smoothness for 3-D viewing (reducing eye strain).Reward is the key." He demonstrated his reward principle with a prized, socialized and docile, gray-powder faced zombie named Bub (Howard Sherman).As hey share a drink, Wally admits that inside, his "heart is singing" but he is also very suspicious of Mildred""s friendly invitation:Wally: I wonder why you brought me here tonight.