These tests involve the examination and comparison of questioned footwear impressions to known shoes. A variety of substrates (such as paper, tile, wood, and drywall) are combined with different imprint media (blood, ink, paint, etc.) for examination and comparison. Samples consist of high-resolution images of questioned imprints/impressions, inked known exemplars of the suspect shoe sole(s), and the suspect shoe sole(s). Results are reported using the SWGTREAD 7-point scale of conclusions.

The images are the same for all formats.

Test 5331 consists of physically printed images.

Response forms for Tests 5331 are only available on www.cts-portal.com.

This test is included on CTS' Scope of Accreditation to ISO/IEC 17043.

Test materials ship in April. All formats are released at the same time and contain the same images; reporting aspects of all formats are also combined.

Enrollment deadline: 1 November 2024