Before criminal profiling was a science, it was a terrifying conversation. In this gripping firsthand account, FBI pioneer John E. Douglas takes you inside the interview rooms where he confronted the most depraved murderers of our time. He deconstructed their psyches to predict the moves of future killers, creating the elite Serial Crime Unit. This isn't just a book about catching monsters; it's about the psychological price of understanding them. Welcome to the world of the original Mindhunter.