This book is absolutely required reading for any professional in the law enforcement, emergency services, forensic medicine, or forensic psychology field who has to make complex decisions.
--Daniel Clark, Editor of International Journal of Emergency Mental Health, Vol. 11, No. 4, 2009

This topic is vitally important for not only understanding the causes and prevention of failures, but for understanding and measuring success.
--John Eck, University of Cincinnati, Department of Criminal Justice

The concepts and strategies outlined in this book are invaluable for helping to accomplish an investigator's primary objective: 'find the truth.' For those of us who care deeply about investigative excellence and justice, particularly police investigators, this book is a 'must read.'
--Doug A. LePard, Deputy Chief Commanding Investigation Division, Vancouver Police Department, Canada, From the Preface