Page 4 - Jagged Edge Glass Fragment
P. 4
Introduction to
The Jagged Edge
elcome to The Jagged Edge, a forensic the importance of glass analysis in the forensic
glass identification lab in the Mystery of field and how this analysis is performed by forensic
WLyle and Louise. A brutal murder case is scientists. In addition, students will learn to
unfolding in a small Appalachian town. Already the microscopically determine the refractive indices of
case spans several crime scenes and five people several known types of glass, then apply what they
are dead. When investigators discovered three have learned in the comparison of glass fragments
deceased victims at a vehicle crash site over the collected from a crime scene to a potential source.
side of Backbone
Once the lab results have been analyzed, students
Mountain, they retraced the vehicle’s path and also may conduct a mock trial to hold a suspect
discovered several pieces of broken glass lying in accountable for their actions.
the roadway.
Teacher’s notes can be found at the beginning of
In this lab students will examine the refractive the manual and copies may be freely made of all
index of various glass fragments. They will learn materials for distribution to students.
4 THE MYSTERY OF LYLE AND LOUISE
