U.S. flag

An official website of the United States government, Department of Justice.

Multimedia Listing

NIJ Training Course on Collecting DNA Evidence at Property Crime Scenes: Demonstration on Biological Evidence Packaging

Content Advisory
Please be aware that this content contains descriptions of violence that may be distressing to some viewers.
August 2020
An interactive tool used to supplement the NIJ online training course entitled 'Collecting DNA Evidence at Property Crime Scenes', as outlined in the third learning module, 'Evidence Collection'. This brief demonstration shows how the use paper wrapping to prevent contamination on wet and dried biological evidence.

Review the YouTube Terms of Service and the Google Privacy Policy

NIJ Training Course on Collecting DNA Evidence at Property Crime Scenes: Demonstration of Swabbing Wet Stains on an Absorbent Wood Surface

Content Advisory
Please be aware that this content contains descriptions of violence that may be distressing to some viewers.
August 2020
An interactive tool used to supplement the NIJ online training course entitled 'Collecting DNA Evidence at Property Crime Scenes', as outlined in the third learning module, 'Evidence Collection'. This brief demonstration shows how a blood sample is swabbed from an absorbent wood surface.

Review the YouTube Terms of Service and the Google Privacy Policy

Video of an attorney proffering an analyst as an expert witness

August 2020

0:01 Where are you employed? Illinois State Police. 

0:05 And what is your title? Forensic scientist. 

0:08 What are your primary duties my primary duties  include receiving evidence and screening them  

0:14 or looking for biological stains such as  blood semen or saliva I then perform DNA  

0:19 analyses on these stains and if I'm if it is  requested I testify in court to my findings. 

0:27 How long have you been employed  as a forensic scientist with ISP? 

Review the YouTube Terms of Service and the Google Privacy Policy