Participants compare questioned latent prints to known inked prints to establish identification. Test items are completely randomized and available for purchase on-demand. This test is presented in an online only form.

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This is a 2021 Latent Prints test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants compare questioned latent prints to known inked prints to establish identification. Available in 2 test formats (photo or digital download). Samples ship in August.
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This is a 2021 Latent Prints test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants process several pieces of porous and nonporous evidence to develop latent prints. Samples ship in October.
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This is a 2021 LOP test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants compare questioned handwriting and signatures to known source handwriting to establish identification. Available in 2 test formats (photo or digital download). Samples ship in September.

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This is a 2021 LOP test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants compare questioned imprints to known source exemplars to establish identification. Samples release in July. This version of the test is presented in an online only form.

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This is a 2021 LOP test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants evaluate their ability to analyze extracted iPhone data. This test is presented in an online only form. Samples are made available in August.
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This is a 2021 LOP test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants analyze and identify a variety of bloodstain patterns. Samples release in June. This version is presented in an online only form.

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5001 Drug Analysis (2021)

$190.00 - $255.00

Participants analyze samples for the presence/identity of controlled substances. Available to U.S. laboratories with a DEA registration number and international participants pending appropriate documentation. Samples ship in April.

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5002 Drug Analysis (2021)

$190.00 - $255.00

Participants analyze samples for the presence/identity of controlled substances. Available to U.S. laboratories with a DEA registration number and international participants pending appropriate documentation. Samples ship in August.

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Participants analyze samples for the presence of marihuana and have the option to quantitate THC. Available to U.S. laboratories with a DEA registration number and international participants pending appropriate documentation. Samples ship in June.

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