Key Evidence Can Make or Break a Case

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Fingerprint evidence is absolutely key in a crime scene investigation.  The science of fingerprint identification is also referred to as dactylography.  It's the most fragile piece of evidence.  Environmental conditions and improper handling can contaminate it easily.  After collecting the evidence, then the difficult task of identifying and comparing begins. 

The fingerprints must be grouped into one of the three main pattern categories of arch, loop, and whorl for eight different pattern...