Current Methods in Forensic Gunshot Residue Analysis

ISBN-13: 9780849300295 / Angielski / Twarda / 2000 / 192 str.

A. J. Schwoeble; David L. Exline

Opis

With the improvements in collection methods and analytical tools that allow more thorough analyses, gunshot residue examination has made a dramatic impact as an area of trace evidence essential to the investigation and prosecution of violent crime. This book deals with major areas of gunshot residue analysis, including current and future methods of analysis, collection techniques, interpretation of evidence, expert testimony and report writing. This text should be useful to forensic scientists conducting this type of analysis and anyone involved in the investigation and prosecution of violent crimes involving firearms.

Spis treści

GUNSHOT RESIDUE (GSR) AS FORENSIC EVIDENCE
Introduction
Value of GSR as Trace Evidence
Degradation of GSR
Transfer of GSR
Specific Areas of GSR Deposition
Collection of GSR Evidence
General Crime Scene Considerations
Examination of GSR
EXPLANATION OF GUNSHOT RESIDUE
Particle Formation
Classification of GSR Particles
Uniqueness of Composition
Terminology
Environmental Considerations in GSR Examination
METHODS OF EXAMINATION OF GUNSHOT RESIDUE
Principal Techniques
Scanning Electron Microscopy/Energy Dispersive Spectroscopy
Automated SEM Analysis
Variable Pressure SEM
Other Methods of Analysis
A STUDY OF PLUME CONCENTRATIONS
The Plume Study
Summary of Results
Particle Fallout
Conclusions
AMMUNITION
Firearms
Rifles
Shotguns
Pistols
Cartridges
Bullet
Powder Charges
Primer
Head Stamps
.22 Caliber Ammunition Composition
Ammunition Composition Studies
GSR Studies: U.S. Manufacture Pistol Primers
General Observations from Test Firings
Revolvers vs. Semi-Automatics
DOCUMENTATION OF EVEIDENCE AND TESTIMONY
Note Taking
Report Writing
Chain of Custody
Expert Testimony
GLOSSARY
BIBLIOGRAPHY
INDEX

O autorze

A. J. Schwoeble, David L. Exline