Spaces are limited for this in-person training workshop, so please download and complete the registration form here [PDF, 108 KB] then email it to rena.lawless@strmix.com as soon as possible to secure your place (1 form per participant).
This training is in the latest major version release of STRmix™. Whilst forensic biologist focussed, it is open for attendance by other interested parties including lawyers, academics, and scientific experts that act for prosecution or defense legal teams.
Please note: Should travel restrictions occur, we retain the option of reconfiguring this STRmix™ full training workshop to be remotely delivered using the Zoom virtual meeting platform (https://zoom.us/(external link)). In the unlikely event of cancellation or postponement, please refer to our policy.
Workshop Information:
Date: 13 – 16 April 2026 (4 days)
Location: Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF)
National Laboratory Center
6000 Ammendale Road, Beltsville, MD 20705
Workshop price: $US 3,600 per participant
Overview: This workshop will provide participants with extensive and full STRmix™ user training, covering likelihood ratios and sampling uncertainty, introduction to STRmix™, and a detailed description of the biological models and mathematics on which STRmix™ is based. Also included are ample “hands on” sessions to allow participants to use and familiarise themselves with STRmix™ under the guidance of the instructors.
Participants will also receive:
Online training modules: Prior to the training, participants will be provided with online access to introductory training modules via the Talent LMS e-learning platform (https://www.talentlms.com/(external link)). For best results, these must be completed prior to the training.
STRmix™ Evaluation version installation: This will be a remote installation of STRmix™ shortly before the start of the workshop. A laptop is required during the workshop with access to MS Excel and a PDF reader such as Adobe Acrobat. Laptop (or PC) specifications can be found here. The listed ‘medium’ specification is recommended for this workshop.
A draft schedule is provided below.
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Day 1 |
Day 2 |
Day 3 |
Day 4 |
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0830 - 0930 |
1.Introduction |
Day 1 review |
Day 2 review |
Day 3 review |
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2. Continuous models. Why move? |
14. Variability in the LR: sampling error and the HPD
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19b.EXERCISE Moot court |
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0930 - 1000 |
9. EXERCISE. The MCMC game |
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3. Introduction to LRs |
15. Overview of STRmix™ LRs |
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1000 - 1030 |
20. Intelligence tools & EXERCISE. |
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1030 - 1100 |
4. Introduction to STRmix™ |
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1100 - 1130 |
5. EXERCISE. Single source and mixture examples |
10. Assigning the number of contributors |
16. EXERCISE. NIST mix13 |
21. EXERCISE. Casework examples |
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1130 - 1200 |
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1200 - 1300 |
Lunch |
Lunch |
Lunch |
Lunch |
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1300 - 1330 |
6. The biological model |
11. EXERCISE. Number of contributors |
17. EXERCISE. NIST mix13 continued |
22. Workflows |
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1330 - 1400 |
12. Population Genetic Models |
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1400 - 1430 |
7. Verbalizing LRs and hypothesis setting and EXERCISE |
18. STRmix™ Developmental Validation |
23. Implementation & Validation discussion |
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1430 - 1500 |
24. Wrap Up |
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1500 - 1530 |
13. STRmix™ output and diagnostics & EXERCISE |
19a. EXERCISE Moot Court |
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1530 - 1600 |
8. STRmix™ profile building and locus weights |
Close |
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1600 - 1630 |
Close |
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1630+ |
Close |
Close |
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