Participants screen samples for body fluid(s) and analyze samples for DNA. Known bloodstain standards are provided on cloth substrates. Samples ship first week in January. (Screening/STR/YSTR/Mito)

Participants screen samples for body fluid(s) and analyze samples for DNA. Known bloodstain standards are provided on FTA™ Micro Cards. Samples ship first week in March. (Screening/STR/YSTR/Mito)

Participants screen samples for body fluid(s) and analyze samples for DNA. Known bloodstain standards are provided on FTA™ Micro Cards. Samples ship third week in April. (Screening/STR/YSTR)

Participants screen samples for body fluid(s) and analyze samples for DNA. Known bloodstain standards are provided on cloth substrates. Samples ship first week in July. (Screening/STR/YSTR/Mito)

Participants screen samples for body fluid(s) and analyze samples for DNA. Known bloodstain standards are provided on FTA™ Micro Cards. Samples ship first week in September. (Screening/STR/YSTR/Mito)

Participants screen samples for body fluid(s) and analyze samples for DNA. Known bloodstain standards are provided on FTA™ Micro Cards. Samples ship third week in October. (Screening/STR/YSTR)