Participants examine and compare the firearm evidence provided (expended bullets or expended cartridge cases) to determine if the suspect weapon fired the questioned evidence. Samples ship in May.
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Participants examine and compare the firearm evidence provided (expended bullets or expended cartridge cases) to determine if the suspect weapon fired the questioned evidence. Samples ship in October.
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Participants examine the evidence samples provided to determine if the suspect tool was responsible for the marks produced on the evidence. Samples ship in January.
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Participants receive an evidence item and are asked to determine the shooting distance. The images of the known distances are available in two test formats (printed images or as a digital download). Samples ship in April.
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Participants compare questioned imprints to known source exemplars to establish identification. Test material is available in two test formats (photo and digital download). Samples ship in April.

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Participants analyze evidence items contained within nylon bags for the presence/classification of ignitable liquid residue. A substrate comparison blank is provided. Samples ship in August.
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5439 Fibers Analysis (2024)

$165.00 - $230.00

Participants compare/identify samples consisting of synthetic and/or processed natural fibers. Samples ship in January.
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5451 Paint Analysis (2024)

$165.00 - $230.00

Participants perform a comparative analysis of architectural or automotive paint samples. Samples ship in February.
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This test covers typical analyses performed on tape and also includes the option to conduct physical end matching. Samples ship in May.
 
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5481 Glass Analysis (2024)

$165.00 - $230.00

Participants perform a comparative analysis of varying types of glass evidence including domestic and automotive. Samples ship in June.
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