Many people love to read exciting stories about police work, shootings and chases. But now you are holding in your hands no ordinary detective story. There are no chases, flashy special effects or blood-chilling mysteries. Here the blood runs cold from something else - from the understanding of how dark and cruel the human soul is sometimes... The author of this book, Rudolf Vasilyevich Lozhnov, talks about his work, about the case that he had to investigate. He did it seriously, thoughtfully, fairly and thoroughly - as, in fact, people who guard our security should work...