Throughout the book, “In Cold Blood”, one might say that mental illness portrays in a couple of characters in this book all through the end. Dick and Perry are two characters in this book that murdered the Clutter family. As you read the author reveals many reasons might believe both characters suffer from mental illness and psychological disorder which caused them to murder the family. Due to the fact that both Perry and Dick have experienced many occasions that have caused them to feel pain emotionally and they felt like that pain endured forever.
