Introduction -- Definitions and degrees -- Measuring murder -- Patterns and trends -- Biological and psychological explanations for homicide -- Social and cultural explanations for homicide -- Confrontational homicide -- Intimate partner homicide -- Children who kill -- Child murder and infanticide -- Mass and spree murder -- Serial murder -- Murder as hate crime -- Solving homicides -- Homicide in court -- The impact of homicide -- Stopping murder -- Future of homicide in the United States.