Here is a book for anyone in the investigation field. Dr. Bradley W. Kuhns, recognized internationally for his interview and interrogation skills presents you with a lifetime of specialized techniques he has developed. Successful interview and interrogation is the mainstay of any investigation. This book is crammed with successful approaches, techniques and strategies. It also refers to legal principles and how they relate to interview and interrogation. For those investigators using polygraph this book also has a bonus of a unique polygraph S.P.O.T. test procedure that was develpoed and researched and field tested by Dr. Kuhns. If you use Dr. Kuhns techniques you will develop your investigative skills with successful results.