After killing Paul Owen, one of his colleagues, Bateman appropriates his apartment as a place to host and kill more victims. Bateman's control over his violent urges deteriorates. His murders become increasingly sadistic and complex, progressing from simple stabbings to drawn-out sequences of rape, torture, mutilation, cannibalism, and necrophilia, and his grasp on sanity begins to slip. He introduces stories about serial killers into casual conversations and on several occasions openly confesses his murderous activities to his coworkers, who never take him seriously, do not hear what he says, or misunderstand him completely—for example, hearing the words "murders and executions" as "mergers and acquisitions." These incidents culminate in a shooting spree during which he kills several random people in the street, resulting in a SWAT team being dispatched in a helicopter. This narrative episode sees the first-person perspective shift to third-person and the subsequent events are, although not for the first time in the novel, described in terms pertaining to cinematic portrayal. Bateman flees on foot and hides in his office, where he phones his attorney, Harold Carnes, and confesses all his crimes to an answering machine.