The book states that “The stimulus response theory of human behavior, [is] when an individual's behavior results in rewards or feedback that the individual considers pleasant and desirable, so that behavior is likely to become more frequent." (Schmalleger, 2016) Lewis was not only a murderer, but he was also a rapist who enjoyed dominating, violating, raping, and terrorizing prostitutes. The second woman he attacked looks a lot like the first, showing that he had a type that stimulated this behavior in him. Lewis became sexually aroused by these raped women and this in turn made his attacks more frequent or occur