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ABOUT THE BOOK

Remote Sensing Technology in Forensic Investigations provides a basic understanding of concepts involved in the use of basic geophysical surveying, metal detectors, magnetics, electromagnetics and ground penetrating radar in police and forensic investigations. Such technology can be vital in locating clandestine, buried evidence which is often concealed in the subsurface underground.

Crime scene investigation and evidence collection entails locating, identifying, collecting, and cataloging. Such physical evidence searches are time consuming and can often lead to searches that require excavations, which in itself that can destroy evidence. The noninvasive, nondestructive methods outlined in this book can both reduce the time spent on searches and excavations, thereby increasing the probability of locating vital physical evidence. As such, the application of remote sensing methods has gained increased acceptance, and seen increased usage, by investigators.

Remote sensing methods are based on making indirect measurements of the surface of and within the earth. The resulting measurement information can be presented in either an imaging format— such as in aerial photography—or a non-imaging format, such as in a profile or contour map. These measurements can be interpreted to identify and characterize contrasts due to differences in physical and natural properties of the materials being studied. This can include physical evidence, remains, and clandestine graves.

This book will serve as a handy introductory primer to the technology, techniques, and application of such techniques. Throughout, numerous references and additional resources are provided for those investigators, forensic anthropology, and police professionals who want further information on the technology’s usage for investigative purposes.

 TABLE OF CONTENTS

1. Introduction

2. Overview of Modern Geophysical Methods

3. Pre-Survey Planning and Post-Survey Reporting Requirements

4. Magnetic Surveying

5. Electromagnetic Surveying

6. Ground Penetrating Radar Surveying

7. Metal Detector Surveying

8. Infrared

9. Marine Geophysical Methods

10. Airborne Geophysical Methods

11. Quality Control

12. Concluding Remarks: The Ideal Survey

Appendix A. Glossary

Appendix B. Selected References