Decades after its first edition, this is still considered the best work on interrogating a criminal suspect. The authors walk you through every step, towards the goal of clearing the innocent and eliciting confessions from the guilty. No detail or nuance is left unexplored, not only of the suspect's behavior, but of your own as well. This book is a must read for anyone involved in criminal justice.

Here is a book of knowlege that every private security person needs. If you know the basics of the trade then this will help to fill in the planks and point out the pitfalls. In easy to read form with easy references it can provide todays security personel the things they need to know and use on duty to make them better at their jobs.