ABSTRACT
This introductory text on labour economics covers topics such as: the shift in America from a manufacturing-based economy to a service economy; the changes in the economic conditions in the US; the implications of NAFTA and GATT; and the labour markets.
TABLE OF CONTENTS
chapter |2 pages
Introduction
chapter chapter 1|16 pages
What Hair and Fibers Reveal
The most common clues at a crime scene are hair and fibers. Examined by forensic scientists, these clues can prove guilt.
chapter chapter 2|12 pages
Collecting and Analyzing Hair
Before traces of hair can be collected, a crime scene has to be secured so the evidence is not contaminated.
chapter chapter 3|16 pages
Criminal Cases Involving Hair
Many suspects have been convicted or acquitted by hair samples. Modern DNA examinations have also solved numerous older “cold cases”—unsolved crimes.
chapter chapter 4|14 pages
Collecting and Analyzing Fibers
Fibers transfer easily between a criminal and victim. Matching them can solve a case, despite problems in tracing their origin.
chapter chapter 5|12 pages
Criminal Cases Involving Fibers
Many high-profile cases have been solved by matching different types of fibers from such items as clothes, carpets, and blankets.
chapter chapter 6|14 pages
Advances in Trace Evidence
DNA testing and more powerful laboratory instruments have led to huge advances in the use of trace evidence in forensic investigation.