Webinar: DNA Standards and Guidelines

On Wednesday, April 26, ASCLD will host a webinar targeted at DNA supervisors, DNA technical leaders, quality managers, and DNA analysts. Registration for the webinar is free.

Forensic DNA analysis, and in particular interpreting complex DNA mixtures and calculating statistics, can be challenging. The technology is ever more sensitive and analysts are testing a wider variety of samples than ever before. The FBI’s Scientific Working Group on DNA Analysis Methods (SWGDAM) has issued a new version of the autosomal DNA STR interpretation guidelines that most of the DNA laboratories in the country look to for guidance in analyzing DNA profiles.

Joel Sutton, DNA casework technical leader for the U.S. Army Criminal Investigation Laboratory, will be presenting information on the changes to the interpretation Guidelines including the background and scope of the changes. Specific examples will be presented.

Bruce Heidebrecht, DNA technical leader for the biology section at the Maryland State Police Forensic Science Division, and Jerrilyn Conway, FBI, will be answering questions and providing additional comments.

In addition, Jocelyn Carlson, FBI and chair of QAS revision committee, will be presenting on the efforts of FBI and SWGDAM to revise the FBI’s Quality Assurance Guidelines for DNA Testing Laboratories.

To learn more,

click here.


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Court Case Update

FINGERPRINT EVIDENCE went through a nearly three-year ordeal in the New Hampshire court system, but eventually emerged unscathed. On April 4, 2008, the New Hampshire Supreme Court unanimously reversed the decision of a lower court to exclude expert testimony regarding fingerprint evidence in the case of The State of New Hampshire v. Richard Langill. The case has been remanded back to the Rockingham County Superior Court.