Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Touch DNA is a potentially powerful sample type for forensic casework, but is challenging to work with due to low quantity, variable deposition amounts, and fundamental questions regarding stability over time. In this webinar we describe best-practices and initial results related to comprehensive studies of the stability of touch DNA after exposure to different environmental conditions.
This webinar was presented by the NIJ Forensic Technology Center of Excellence on March 11, 2021.
See the YouTube Terms of Service and Google Privacy Policy
Dr. Julie L. Valentine introduces the application of touch DNA in sexual assault cases through a case study. A literature review on touch DNA is summarized to provide contextual information and research on touch DNA analysis findings in groping sexual assault cases is discussed. The webinar concludes with recommendations for multidisciplinary partners to collect, submit, and analyze evidence in sexual assault cases for touch DNA.
This webinar was hosted by the NIJ Forensic Technology Center of Excellence on April 18, 2023.
See the YouTube Terms of Service and Google Privacy Policy
George Mason University and the National Association of Attorneys General presents the National Center on Forensics Continued Training Plan
See the YouTube Terms of Service and Google Privacy Policy
Forensic Biology involves the collection, study, and analysis of biological material on evidence from crime scenes to provide unbiased, scientific reports for a criminal or civil court case to give a better understanding of the crime that occurred. Historically, one of the earliest forensic biologists was Sir Alec Jeffreys in 1985 using DNA fingerprinting or DNA typing to individually identify humans.[1] He targeted variable...
