Forensic Scientists in the Firearms unit perform a variety of firearm and toolmark related analysis and comparisons. This unit also assists in shooting reconstruction, interpretation and providing testimony regarding the analysis of evidence examined. Typical analyses include:
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Firearms function tests
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Determining the type(s) of firearm used to shoot
recovered bullets and cartridge cases
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Comparison of bullets and cartridge cases to recovered
firearms
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Comparison of evidence from different crime scenes to
look for a common gun
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Determination of shooting distance
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Restoration of obliterated serial numbers
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Operation of the NIBIN (National Integrated Ballistics
Information Network) database
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Comparison of tools to marks left behind at crime
scenes