ASB Newsletter—July 24, 2020


Disclaimer: The views and opinions expressed in the articles contained in the Academy News are those of the identified authors and do not necessarily reflect the official policy or position of the Academy.

Source: Teresa Ambrosius, ASB Secretariat 

A New Probabilistic Genotyping Standard from the ASB!

The AAFS Standards Board (ASB) is pleased to announce the publication of ANSI/ASB Standard 018, Standard for Validation of Probabilistic Genotyping Systems, First Edition, 2020.

Probabilistic genotyping systems are computer programs that apply various algorithms to aid in the interpretation of DNA mixtures. They are a major improvement over the previously used subjective methods where more complex DNA mixtures were unable to be interpreted. The validation of these software systems is a critical step for any DNA laboratory to perform prior to applying probabilistic genotyping to casework.

This standard provides an essential framework for forensic laboratories validating a probabilistic genotyping system for the interpretation of autosomal STRs. Forensic laboratories that already use a probabilistic genotyping system can review their validation for compliance with this standard and supplement their previous validation where necessary. Validations of these systems in accordance with this ANSI/ASB Standard will provide the criminal justice system increased confidence in the application and scientific validity of this type of DNA interpretation.

ASB documents are available for download in the Published Documents portion of the ASB website.

 

ASB Documents Open for Public Comment

The ASB encourages all interested parties to provide comments on documents in progress. The following documents are available for Public Comment:

  • ASB Standard 014, Standard for Friction Ridge Examination Training Program, First Edition (Comment Deadline, August 20, 2020)
  • Recirculation* – ASB Standard 024, Canine Detection of Humans: Location Check Using Pre-scented Canines, First Edition (Comment Deadline, August 24, 2020)
  • Recirculation* – ASB Standard 026, Canine Detection of Humans: An Aged Trail Using Pre-scented Canines, First Edition (Comment Deadline, July 27, 2020)
  • ASB Standard 096, Standard Method for the Examination and Documentation of Ammunition and Ammunition Components, First Edition (Comment Deadline, September 7, 2020)
  • Recirculation* – ASB Standard 119, Standard for the Analytical Scope and Sensitivity of Forensic Toxicological Testing of Blood in Medicolegal Death Investigations, First Edition (Comment Deadline, September 7, 2020)
  • Recirculation* – ASB Standard 120, Standard for the Analytical Scope and Sensitivity of Forensic Toxicological Testing of Blood in Impaired Driving Investigations, First Edition (Comment Deadline, September 7, 2020)
  • Recirculation* – ASB Standard 121, Standard for the Analytical Scope and Sensitivity of Forensic Toxicological Testing of Urine in Drug-Facilitated Crime Investigations, First Edition (Comment Deadline, September 7, 2020)
  • ASB Standard 135, Anthropology Scene Detection and Processing, First Edition (Comment Deadline, September 7, 2020)

*Please note that comments on a re-circulation will only be accepted on revised sections of a document, comments made to text not revised from the original public comment period will not be accepted.

The documents, comment template, and additional information can be accessed through the Notification of Standard Development and Coordination section of the ASB website.