Helen Morrison produces controversial theories as to why people commit multiple murders, having interviewed some of the most notorious killers in the world. Are serial killers born? Does child abuse really play a part in the formation of a killers psyche? Are serial killers neurologically different from the rest of humanity? Helen Morrison provides her opinions on these a Helen Morrison produces controversial theories as to why people commit multiple murders, having interviewed some of the most notorious killers in the world. Are serial killers born? Does child abuse really play a part in the formation of a killers psyche? Are serial killers neurologically different from the rest of humanity? Helen Morrison provides her opinions on these and many other questions in her detailed portrayal of the 21 murderers featured in the book.