chunk: Bateman has a threesome with his friend Elizabeth and Christie at Paul's apartment. Bateman kills Elizabeth during sex, and Christie runs, discovering multiple female corpses as she searches for an exit. She is chased by a naked Bateman wielding a chainsaw, and as she is running down the stairs of Paul's apartment building, is killed by the chainsaw which Bateman drops from several levels above her.
  Bateman breaks off his engagement with Evelyn. That night, as he uses an ATM, he finds a stray kitten; the ATM displays the text "feed me a stray cat". As he prepares to shoot the cat, a woman sees him and tries to stop him; he shoots her and lets the cat go free. A police chase ensues, but Bateman destroys the police cars by shooting their gas tanks. Fleeing to his office, Bateman enters the wrong office building, where he murders a security guard and a janitor. In his office, Bateman calls his lawyer Harold and frantically leaves a lengthy confession on Harold's answering machine.