Page 11 - Jagged Edge Glass Fragment
P. 11

Glass Fragment

             Identification








                  orensic chemistry is a major subdivision of    generated at a crime scene is broken shards of
                  the forensic science discipline. In forensic   glass. Glass shards are frequently generated at a
            Fchemistry a significant amount of analysis          crime scene by the breaking of windows or, in the
             involves trace evidence. Trace evidence is evidence   instance of automobiles, collisions. While broken
             created when two objects come in contact with       glass may result in additional information at a
             one another, and, generally, involves the transfer   crime scene, such as blood and DNA evidence in
             of matter between these two objects as a result of   the event of cuts, in the absence of this evidence
             that contact. Examples of trace evidence collected   the broken glass itself may connect a suspect or
             from crime scenes frequently include items such     victim to a crime scene.
             as hairs, fibers, and paint chips. Trace evidence is
             of great importance in forensic science because, as   If broken glass is to be matched to a suspected
             a result of direct contact, trace evidence can link a   source, the first step in glass analysis is frequently
             suspect to a victim, a victim to a crime scene, and/  an attempted physical match. If acceptable physical
             or a crime scene to a suspect.                      characteristics exist the glass pieces may be
                                                                 matched to the glass source physically by putting
             One such item of trace evidence that may be         the glass back together, much like the assembling of





                                                                          THE MYSTERY OF LYLE AND LOUISE    11
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