Process of Investigation, Third Edition: Concepts and Strategies for Investigators in the Private Sector

345 Pages·2006·3.49 MB·English

by  Charles A. Sennewald

The Process of Investigation:
Concepts and Strategies for
Investigators in the Private Sector
Third Edition

The Process of Investigation:
Concepts and Strategies
for Investigators
in the Private Sector
Third Edition
CHARLES A. SENNEWALD, CSC, CPP
JOHN K. TSUKAYAMA, CPP, CFE, PCI
With contributions by David E. Zulawski, CFI, CFE;
and Douglas E. Wicklander, CFI, CFE
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Library ofCongress Cataloging-in-Publication Data
Sennewald,Charles A.,1931–
The process of investigation :concepts and strategies for investigators in the private sector /
Charles A.Sennewald,John K.Tsukayama ;with contributions by David E.Zulawski and
Douglas E.Wicklander.— 3rd ed.
p. cm.
Includes index.
ISBN 0-7506-7950-6 (hardcover :alk.paper) 1. Criminal investigation. 2. Detectives.
I. Tsukayama,John K. II. Title.
HV8073.S39 2006
363.25—dc22 2006009668
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library.
ISBN 13:978-0-7506-7950-3
ISBN 10:0-7506-7950-6
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DEDICATION
To
My mother Katherine
Honey Rose
The Holy Spirit
Denise
Spike

Table of Contents
PREFACE ix
ACKNOWLEDGMENTS xi
I. FUNDAMENTALS OF SECURITY INVESTIGATION 1
Chapter 1. The Investigative Process 3
Chapter 2. A Comparison of Public and Private Sectors 9
Chapter 3. Qualities of the Investigator 17
Chapter 4. Managing the Investigative Function 29
II. METHODS OF SECURITY INVESTIGATION 39
Chapter 5. Undercover Investigations 41
Chapter 6. Surveillance 53
Chapter 7. Background Investigations 67
Chapter 8. Discovering Covert Crimes 79
III. BUILDING A CASE 93
Chapter 9. Interviews and Interrogations 95
Chapter 10. An Overview of the Interview and Interrogation Process 113
By David E.Zulawski,CFI,CFE;and Douglas E.Wicklander,CFI,CFE
viii Table of Contents
Chapter 11. Evidence 139
Chapter 12. Written Statements,Admissions, and Confessions 153
Chapter 13. The Use of Informants 167
Chapter 14. Report Writing and Note Taking 181
IV. APPLYING INVESTIGATIVE STRATEGIES 195
Chapter 15. Problems Arise:The What of Investigation 197
Chapter 16. Crime and Solution:The Howof Investigation 201
Chapter 17. Identifying Suspects:The Whoof Investigation 213
Chapter 18. Finding Information:The Whereof Investigation 225
Chapter 19. The Time Factor: The Whenof Investigation 239
Chapter 20. Establishing Motive:The Whyof Investigation 251
V. TECHNOLOGICAL AND SPECIALIZED INVESTIGATIVE TECHNIQUES 263
Chapter 21. Imagery 265
Chapter 22. Computers in Private Sector Investigations 279
Chapter 23. Targeted Violence Investigations 299
SOURCES 317
INDEX 321
Preface
We noted when this book was first published in 1981 that for too long the art and science of profes-
sional investigation had been deemed the exclusive realm of the public sector. Textbooks on investi-
gation traditionally had been written by and for those in public law enforcement and,invariably,these
books included such topics as homicide and rape. Although interesting, these subjects have little, if
any, practical application for investigators in the private sector. In the two decades since, the private
sector fully came of age and in some areas was at the forefront of the development of new techniques
and professional practices.
This book was written to serve the needs of this recognized professional class of investigative
practitioners. We have tried to cover in detail those investigative skills that will always be so essential
in private security investigation:surveillance techniques,interviewing and interrogation,evidence,con-
fessions and written statements,among others.An effective book on investigation must go beyond mere
detail, however; the investigators in the real world and the book must deal with the day-in and day-
out challenges that confront them.Throughout the book,we have included cases and examples based
on our own experiences,as well as those of keen investigators of centuries and millennia past.In this
third edition we’ve folded in the unique talent of two other nationally known experts whose experi-
ence clearly enhance the value of this material. In dealing with such a wide variety of situations, we
share the approaches and strategies that have helped each of us in the hope that they can be of some
assistance to others.