With all the horror and disgust that serial murder evokes in us, it is impossible to deny that this phenomenon has a peculiar dark appeal. And it's not just a matter of curiosity. We want to understand: why do seemingly ordinary people, like each of us, have the heart and mind of a monster? The authors of this book, American forensic researchers David Everitt and Harold Schechter, decided to look beyond the abyss of consciousness and unravel the nature of evil. The answers to all the questions you didn't dare ask are in this book!