Participants compare questioned latent prints to known inked prints to establish identification. Test items are completely randomized producing unique sample sets and available for purchase on-demand. This test is only available online.

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Participants analyze samples for the presence/identity of controlled substances. Test items are completely randomized and available for purchase on-demand. Available to U.S. laboratories with a DEA registration number only.

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Participants perform DNA testing on four samples, two known bloodstain standards and two questioned samples. Available in six test format options with varying substrate choices. On-Demand tests purchased for the current year will be shipped within two business days after payment is received and processed. Results may be submitted on a flexible schedule. (STR/YSTR). Please contact CTS if you require a quote for a large quantity of tests.
 
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Participants perform DNA testing on four samples, two known bloodstain standards and two questioned samples. Available in six test format options with varying substrate choices. On-Demand tests purchased for the current year will be shipped within two business days after payment is received and processed. Results may be submitted on a flexible schedule. (STR/YSTR). Please contact CTS if you require a quote for a large quantity of tests.
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Participants perform DNA testing on four samples, two known bloodstain standards and two questioned samples. Available in six test format options with varying substrate choices. On-Demand tests purchased for the current year will be shipped within two business days after payment is received and processed. Results may be submitted on a flexible schedule. (STR/YSTR). Please contact CTS if you require a quote for a large quantity of tests.
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Participants perform DNA testing on three bloodstain standards on one of three desired substrates (FTA™ cards/Swab/Cloth). On-Demand tests purchased for the current year will be shipped within two business days after payment is received and processed. Results may be submitted on a flexible schedule. (STR/YSTR). Please contact CTS if you require a quote for a large quantity of tests.
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