Process of Investigation - 3rd Edition - ISBN: 9780750679503, 9780080480404

Process of Investigation

3rd Edition

Concepts and Strategies for Investigators in the Private Sector

Authors: Charles Sennewald John Tsukayama
eBook ISBN: 9780080480404
Imprint: Butterworth-Heinemann
Published Date: 15th May 2006
Page Count: 344
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The Process of Investigation, Third Edition, is a book written to address the needs of the private investigator in the security field. Continuing in the tradition of its previous editions, this book covers essential topics which are often overlooked in works that concentrate on the public aspects of investigation. Investigative skills such as surveillance techniques, interviewing and interrogation, evidence, and confessions and written statements are all discussed, and supplemented with updated case studies and examples from the authors’ own experiences.

Major revisions to The Process of Investigation include mention and coverage of the effects of 9/11 on the security industry, the need to incorporate awareness of terrorism and terrorist activities when investigating any suspicious behavior, and two completely new chapters. Chapter 10 discusses interviewing and interrogations, and is written by Doug Wicklander and Dave Zulawski, premier experts in the field. Chapter 23 addresses the issues of workplace violence, and includes coverage of stalking, domestic violence spillover into workplaces, red flags, and the Theory of Threat Assessment and Management (TAM), among other topics. Additionally, other more minor modifications in legislation that have been passed and implemented since the last edition are addressed throughout the book.

Key Features

  • Serves as a valuable reference tool for both the student and the professional
  • Contains practical information that can be utilized in real-life investigative situations
  • Includes two brand new chapters about interviewing, interrogations, and the Theory of Threat Assessment and Management


PRIMARY MARKET: Corporate and Private Investigative (P.I.) professionals working in the private sector, new professionals entering the security field (from the military and/or law enforcement).

SECONDARY MARKET: Security managers, security consultants, Undergraduate students in 2- and 4-year colleges in Introduction to Security courses for Security and Law Enforcement majors.

Table of Contents

I. FUNDAMENTALS OF SECURITY INVESTIGATION Chapter 1 - The Investigative Process Chapter 2 - A Comparison of Public and Private Sectors Chapter 3 - Qualities of the Investigator Chapter 4 - Managing the Investigative Function

II. METHODS OF SECURITY INVESTIGATION Chapter 5 - Undercover Investigations Chapter 6 - Surveillance Chapter 7 - Background Investigations Chapter 8 - Discovering Covert Crimes

III. BUILDING A CASE Chapter 9 - Interviews and Interrogations Chapter 10 – An Overview of the Interview and Interrogation Process By: David E. Zulawski, CFI, CFE and Douglas E. Wicklander, CFI, CFE Chapter 11 – Evidence Chapter 12 - Written Statements, Admissions, and Confessions Chapter 13 - The Use of Informants Chapter 14 - Report Writing and Note Taking

IV. APPLYING INVESTIGATIVE STRATEGIES Chapter 15 - Problems Arise: The What of Investigation Chapter 16 - Crime and Solution: The How of Investigation Chapter 17 - Identifying Suspects: The Who of Investigation Chapter 18 - Finding Information: The Where of Investigation Chapter 19 - The Time Factor: The When of Investigation Chapter 20 - Establishing Motive: The Why of Investigation

V. INVESTIGATIVE TECHNOLOGY Chapter 21 - Imagery Chapter 22 - Computers in Private Sector Investigations Chapter 23 - Targeted Violence Investigations




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About the Author

Charles Sennewald

Charles “Chuck” Sennewald CSC, CPP, is an independent security management consultant and expert witness and the author of numerous Butterworth-Heinemann titles, including "Effective Security Management"; "Security Consulting"; "Retail Crime, Security and Loss Prevention: An Encyclopedic Reference;" "From the Files of a Security Expert Witness"; and earlier editions of this book "The Process of Investigation." Chuck is a graduate of California State University - Los Angeles with a BS degree in Police Science and Administration. Chuck is also the founder and first president of the International Association of Professional Security Consultants (IAPSC), and is a long-time member of ASIS International. He has lectured and is read in countries around the globe.

Affiliations and Expertise

Independent security management consultant, expert witness, and author, internationally based

John Tsukayama

John Tsukayama spent twenty-four years as a specialist investigator, starting with the U.S. government. In his twenty-two year career in the private sector he led joint public-private investigation teams while exercising authority as a law enforcement appointee. John’s areas of practice concentration included private sector investigations of theft of goods, embezzlement of funds, drug use and sales in the workplace, and illegal discrimination. He also conducted public sector investigations involving financial crimes, public corruption, embezzlement of public funds, and political campaign fundraising crimes. In addition, John specialized in high-stakes threat assessment and management to prevent targeted violence. John formerly held the designations of Certified Protection Professional (CPP), Certified Fraud Examiner (CFE), and Professional Certified Investigator (PCI). John holds a PhD from the University of St. Andrews School of International Relations, as well as a Master of Letters in Terrorism Studies (Distinction) and a Bachelor of Arts in Interdisciplinary Studies (Political Science/History).

Currently John teaches International Relations, Political Philosophy, and Terrorism Studies classes. He is also doing authoring and research in Political Violence, and is preparing to conduct research on American counter-intelligence during the Cold War.

Affiliations and Expertise

Instructor, Brigham Young University, Hawaii; former executive vice president, Safeguard Services, Inc., Honolulu, Hawaii.


“You get what you pay for in this book — the best available information … this is an effective and valuable investigative manual.” — Canadian Security