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.

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.

Participants process several pieces of porous and nonporous evidence to develop latent prints. Samples ship in October.

Participants process several pieces of nonporous evidence to develop latent prints. Samples ship in August.

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.

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 July.