Firearm/Toolmark Section

The Firearm/Toolmark section of the crime laboratory receives and examines evidence related to firearms, firearm components, ammunition, expended ammunition components, distance determination, tools, toolmarks, footwear and tire tread impressions.

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There are a number of services offered by the Firearm/Toolmark section that can be useful to investigators.

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This section can determine:

The type of firearm that fired a particular bullet or cartridge case.Whether a bullet was, or could have been, fired from a specific firearm.Whether a cartridge case was, or could have been, fired in a specific firearm.Whether a tool found in a suspect's possession was, or could have been used to cut, scrape, pry, pinch, etc. evidence seized from a crime scene.The original serial number of a firearm or other objects, after the number has been obliterated.

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Whether a questioned footwear impression was made by a suspect footwear. Whether the tires on a suspect vehicle made a tire tread impression.

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