DNA Transfer in Forensic Science: Recent Progress towards Meeting Challenges

Roland van Oorschot, Georgina E. Meakin, Bas Kokshoorn, Mariya Goray, Bianca Szkuta

Research output: Contribution to journalReview articlepeer-review

Abstract

Understanding the factors that may impact the transfer, persistence, prevalence and recovery of DNA (DNA-TPPR), and the availability of data to assign probabilities to DNA quantities and profile types being obtained given particular scenarios and circumstances, is paramount when performing, and giving guidance on, evaluations of DNA findings given activity level propositions (activity level evaluations). In late 2018 and early 2019, three major reviews were published on aspects of DNA-TPPR, with each advocating the need for further research and other actions to support the conduct of DNA-related activity level evaluations. Here, we look at how challenges are being met, primarily by providing a synopsis of DNA-TPPR-related articles published since the conduct of these reviews and briefly exploring some of the actions taken by industry stakeholders towards addressing identified gaps. Much has been carried out in recent years, and efforts continue, to meet the challenges to continually improve the capacity of forensic experts to provide the guidance sought by the judiciary with respect to the transfer of DNA.
Original languageEnglish
Article number1766
Number of pages35
JournalGenes
Volume12
Issue number11
DOIs
Publication statusPublished - Nov 2021

Keywords

  • DNA transfer
  • DNA persistence
  • DNA prevalence
  • DNA recovery
  • activity level evaluation
  • forensic science
  • Forensic science
  • Activity level evalua-tion

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