This book, surviving the great number of reediting and generating a whole genre in criminal films and tele-serials, since famous "Silence of lambs", it was possible to name classic - if not not easy language and invincible sense of humour of her creators. First in the world professional профайлер, спецагент of FBI John Douglas together with the permanent coauthor, journalist by Mark Олшейкером, masterly alternating amusing fairy-tales from to own life and terrible details of serial murders, tells history of becoming of поведенческого analysis and his application to the search of нелюдей in a human look.New edition is complemented by the vast preface of authors, written after twenty years after the first publication of "Hunter after reason".