The minds of murderers who kill impulsively, often out of rage, and those who carefully carry out premeditated crimes differ markedly. (medical xpress)—the minds of murderers who kill impulsively, often out of rage, and those who carefully carry out premeditated crimes differ markedly both. Verkkoserial killers—people who repeatedly murder others—provoke revulsion but also a certain amount of fascination in the general public. Verkkoexplore the psychology, methods, and backgrounds of the world’s most notorious serial killers. What drove them to kill, and how were they finally brought to.