Presenting a compelling portrait of these dangerous men and women based on 25 years of distinguished scientific research, Dr. Robert D. Hare vividly describes a world of con artists, hustlers, rapists, and other predators who charm, lie, and manipulate their way through life. Are psychopaths mad, or simply bad? How can they be recognized? And how can we protect ourselves? This book provides solid information and surprising insights for anyone seeking to understand this devastating condition.