1st Edition

Mechanics of Impression Evidence

By David S. Pierce Copyright 2011
241 Pages 57 B/W Illustrations
by CRC Press

241 Pages
by CRC Press

As forensic technology becomes more sophisticated, courts are demanding more scientific content and juries are expecting meticulous confirmation of facts alleged. Greater attention is now paid to increasingly finer details and improved methods of describing every form of evidence. Applying physics, chemistry, and engineering to the process of analysis and interpretation, Mechanics of Impression... Read more

Forensic Analysis of Wood DNA; S. L Wilson and D. S. Pierce

Introduction

Materials, Methods, and Results

Discussion

Signs of Evolution

A New Beginning for Forensics

Substrate to Structure

Forces

A Basic Look at a Popular Substrate

Symmetry

Perspective

Ivory Tower Syndrome

The View Has Changed

The Basis

The Ground We Walk On

Soil Composition

The Structure of Soil

Influences that Act on Soils

A Curious Destination for Minerals and Dyes

Measurement; E. Liscio and D. S. Pierce

The Relevance of Measurement

Accuracy and Language Issues

Photogrammetry

Stereoscopic Images and Scanning Synopsis

Fluids; P. Mallay and D. S. Pierce

Simple Drops

Modeling Droplets

Sample Calculation

Experimental Process

Friction and Fluids

Analysis and Comparison

Summary

Surface Pairings

The Value of a Surface Pairing

Sequential Analysis

Transfer

Coincidental Impressions

Paired Surfaces at a Point of Contact

Industrial Materials

Bias

Sources of Bias

Creation Theory Bias

The Awful Truth about Bias

Errors

Validation

Confirmation

Exhibits to Evidence

Re-Creating the Scene

The Use of Observations

Validation Study of Three-Dimensional Striations from Outsoles

Beginning with Markings

The Hypothesis

Empirical Studies

Dimensional Stability of Outsoles

Experiments with Casual Exposures to Solvents

Summary of Possibilities and Probabilities of Validation

Potential of Electrostatics

Images of Electrons

Toward Development of a Unified Theory

Collective Value

Cautions

Appendix: Terminal Velocity Calculator

Index

 

Biography

David S. Pierce is certified as a footwear examiner by the Canadian Identification Society and has had numerous articles published in the Journal of Forensic Science.