The ongoing impacts of the Coronavirus (COVID-19) pandemic have required us to configure this STRmix™ full training workshop to be remotely delivered using the Zoom virtual meeting platform ( link)).

Spaces are limited and filling up fast, so please download the registration form by clicking here [PDF, 74 KB], and then email it to before 16 May 2022 to register your interest (1 form per participant).  This training is in the latest major version release of STRmix™, and is open for attendance by scientific experts that act for prosecution or defense legal teams. Attendance will be confirmed once minimum attendee numbers are met.

General meeting instructions:  Please note the following requirements for participation in this remotely delivered STRmix™ 4-day training workshop:

  • Participants are responsible for provision of a PC and internet (broadband) connection that is capable of both receiving and transmitting uninterrupted audio and video via Zoom meetings. It is strongly recommended participants join via a download of Zoom. You can test your internet connection by joining a test meeting at link).  Further information about how to join a Zoom meeting can be found at link)
  • Confirmed participants will be provided shortly beforehand with a Zoom meeting invite for this training comprising a Zoom meeting ID and password. This must not be shared with non-participants.
  • Participants are requested to join the Zoom meeting promptly as follows:
    • with microphone muted, and
    • displaying the same name they have registered with, to ensure smooth access to the training.
    • from the same PC they will be using to run STRmix™ during the training.
  • It is a requirement that participants join Zoom for this training via computer audio and video (not via telephone)

Workshop price: $US 2,000 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 molecular 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:

  • the STRmix™ User’s manual (electronic PDF), with a companion text which describes in detail the mathematics and biology behind STRmix™, the database search and model maker functions
  • the STRmix™ Operation Manual and STRmix™ Implementation and Validation guide (electronic PDF)
  • a 2-month evaluation version of STRmix™
  • electronic copies of training material (for download prior to the training)
  • a certificate of attendance (after completion).

Online training modules:  Prior to the training, participants will be provided with online access to the following introductory training modules via the Talent LMS e-learning platform ( link)).  For best results, these must be completed prior to the training:

  • Introduction to probability
  • Population Genetics
  • What is a likelihood ratio?

Supplementary training modules covering Population Genetic Models and the use of Replicates and Multi-kits will also be provided for a limited period via the same platform.

STRmix™ Evaluation version installation: This will be a remote installation of STRmix™ approximately a week before the start of the workshop.  A laptop is required during the workshop and the specifications are as follows:


Minimum specifications

Recommended specifications

Intel core (Quad core) processor

Intel core i5, i7 2.6 GHz



300MB free HDD space

300MB free HDD space

Minimum of 4 cores

Minimum of 4 cores

Windows 10 or above

Windows 10 Professional 64 bit or above

Software specifications:

  • Windows 8.1 or Windows 10
  • MS Excel
  • Adobe Acrobat Reader
  • Zoom

Draft schedule (subject to minor changes): 


Day 1

Day 2

Day 3

Day 4

0900 - 0930


Day 1 review

Day 2 review

Day 3 review

2. Continuous models. Why move?

8. STRmix™ profile building and locus weights

13. Variability in the LR (sampling error and the HPD)


18b.EXERCISE Moot court

0930 - 1000

3. Introduction to LRs 

14. Relatives and unified LR 

1000 - 1030

9. EXERCISE. The MCMC game

19. EXERCISE. Casework examples

1030 - 1100

4. Introduction to STRmix™


1100 - 1130

5. The biological model

1130 - 1200

1200 - 1300





1300 - 1330

6. EXERCISE. Single source and mixture examples

10. Number of contributors

16. STRmix™ Intelligence Tools

Database searching


20. Workflows discussion

1330 - 1400

1400 - 1430

11. EXERCISE. Number of contributors

17. Developmental Validation

21. Implementation and Validation discussion



1430 - 1500

7. Verbalizing LRs and hypothesis setting and EXERCISE

12. STRmix™ output and diagnostics




22. Wrap Up

1500 - 1530

18a. EXERCISE Moot Court

1530 - 1600


1600 - 1630






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