Enrollment Deadline: 1 November 2026

Participants will analyze samples using their own methods and instrumentation and collect data including STR analysis and DNA interpretation.

Sample Description: Two known samples and one questioned sample, all produced from a single donor and spotted on swab substrates. Samples for Tests 5821 and 5822 are sourced from the same donors and shipped at the same time, and reporting aspects are combined. Different donor sources are used for Test 5825/6.

Samples ship in April.

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