As the reader already knew, Caleb Greeley is David’s latest victim. The way that David has chosen to display Caleb’s body offers insight into David’s motives for killing Caleb—and for killing in general. David has placed Caleb atop a pile of school memorabilia—a mocking nod, perhaps, to Caleb’s overachieving, overinvolved personality. Like David’s other victims, Caleb was a well-known (if not always well-liked) student destined for success and recognition. Could this be why David murdered him? Is he jealous of Caleb’s public recognition—recognition that David hasn’t been able to achieve despite becoming a serial killer?