Of course, US courts mostly allow the probabilistic interpretation of DNA mixtures such as STRmix. Typical when commercially developed methods go straight into crime labs then into the justice system which are generally unprepared to eval their foundation versus user assertions of accuracy.
The National Institute of Standards and Technology (NIST) has published
— Read on www.nist.gov/news-events/news/2021/06/nist-publishes-review-dna-mixture-interpretation-methods