Individual And Class Characteristics Of Physical Evidence

Over the years, Forensic Science has struggled to keep up with the increase in violence along with the increase in technology that has been exploited by criminal elements. Not only has there been a number of scientific tools developed to process crime scenes and enhance the abilities of crime laboratories, but though technology there has been a number of databases established at a national level. Such databases are accessible to law enforcement agencies throughout the United States.
Identify 3 different national databases, and include the following for each:

What agency runs the database
What type of data are held in the database
Brief description of how the database supports law enforcement/corrections throughout the country
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