Killers: the Most Barbaric Murderers of Our Times

The Great majority of murders are family affairs, committed by outwardly ordinary people who often have never committed a crime. But the murders that grab headlines, that stay in our memory and haunt our nightmare, are at work of psychotic serial killers and mass murderers, brutes whose behavior challenges our very definition of humanity. In some ways, our brothers; in others, monstrous freaks of nature. How could they do what they did? What turned them into killers? And Why are we so fascinated by them?