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.

This is a 2024 test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. 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 laboratories pending appropriate documentation. Samples ship in June.

This is a 2024 Drug Analysis test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants determine the concentration of two Methamphetamine Hydrochloride samples. Available to U.S. laboratories with a DEA registration number and international laboratories pending appropriate documentation. Samples ship in May.
 

This is a 2024 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. Test material is available in two formats (photo or digital download). Samples ship in January.

This is a 2024 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 June.

This is a 2024 Firearms Examination test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. 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.

This is a 2024 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. Test material is available in two test formats (photo and digital download). Samples ship in April.

This is a 2024 test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. This test covers typical analyses performed on a variety of types of tape, including possible physical end matching. Samples ship in May.

This is a 2024 Forensic Anthropology test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants assess their ability to determine human or non-human origin of bones by examining digital images. This test is only available online. Test materials are made available in January.