Investigative methodsPDF电子书下载

Ⅰ. THE WORLD OF THE PRIVATE INVESTIGATOR 1

1. THE SCOPE OF PROFESSIONAL INVESTIGATION 3

History 4

Modern Agencies 5

The Scope of Private Investigator Activities 8

Classification of Investigations 10

What Lies Ahead 32

2. THE SUCCESSFUL INVESTIGATOR 35

People-Oriented Abilities 36

Personality Traits to Develop 47

3. METHODOLOGY OF INVESTIGATION 51

Seven I's of Investigation 52

Four R's of Investigation 58

Four S's of Investigation 60

Skills of Investigation 67

Ⅱ. INFORMATION SOURCES 75

4. INFORMATION, PLEASE! 77

Communication of Knowledge or Intelligence 78

Potential Sources of Information 78

The Age of Documentation and Information 80

Means of Obtaining Information 81

5. PEOPLE SOURCES OF INFORMATION: CONTACTS AND INFORMANTS 85

Contacts 85

Informants 90

6. PAPER SOURCES OF INFORMATION: RECORDS, DOCUMENTS, AND PUBLICATIONS 101

Government Sources of Information 102

Private Sector Sources of Information 119

Published Sources of Information 125

The "How" of Information 134

Sources-of-Information File 135

Ⅲ. OBSERVATION, DESCRIPTION, AND IDENTIFICATION 139

7. WHAT DO YOU SEE WHEN YOU LOOK? 141

Sensory Powers of Observation 142

Psychological Aspects of Observation 143

Factors Affecting Perception, Memory, and Recall 148

8. THE PORTRAIT PARLE 153

Head Characteristics 154

The Face 158

Identification Value of Specific Features 163

Memory Fallibility 184

9. NONFACIAL IDENTIFICATION CLUES 187

Bodily Features 188

Bodily Characteristics 192

Changeable Items 192

Multiplicity of Identification Clues 195

Body Movements 196

Observation, Description, and Identification 202

10. REPORT WRITING 205

Purpose of Report 206

Preparation for Writing the Report 207

Format 210

The Process of Report Writing 215

Editing the Report 217

Report Writing Skill Comes with Practice 218

BIBLIOGRAPHY 221

INDEX 224