The American Dream is one idea not everybody gets the chance to have some are on a constant search for their American dream. The American Dream although it may seem simple is much more difficult to achieve. It is this difficulty that creates people who are jealous of self made men and women. In the story In Cold Blood one of the two main characters is named Perry and he is one of these people who hate self made success, But what made him a killer? In the Ted Talk Exploring the mind of a killer Jim Fallon talks about a gene that passes from mother to son and this gene labeled the killer gene its activates after the person experiences something traumatic. For Perry his traumatic experience was his abusive father and his mother committing suicide. Perry used his hate for the American Dream to fuel his killer gene.