Overview From footwear to tire to snowmobile impressions, snow impressions can provide extremely valuable evidence in helping to resolve criminal investigations. Unfortunately, photographing and obtaining a cast of a snow impression is often a challenge for the crime scene examiner.…
Category: Impression & Pattern (page 7)
Bloodstain Documentation and Collection Methods
Overview At some point in their careers, every crime scene responder has encountered a scene where the blood present is “everywhere” and there is no clear way to begin. That feeling can be extremely overwhelming. This training will provide attendees…
ASCLD Webinar Series: Latent Prints
Overview Archival Version – This course served as an overview of the Latent Prints discipline for the crime laboratory administration. This webinar provided non-LP analysts, who manage this discipline as part of a forensic laboratory or supervise members within this…
ASCLD Webinar Series: Firearms
Overview This course serves as an overview of the field of firearms examination for the crime laboratory administration. This webinar will provide non-firearms examiners, who supervise members within this field, a basic overview of the analysis performed, discipline specific administrative…
A General Framework for the Estimation of Likelihood Ratios
Overview This talk provides a very general framework for the estimation of likelihood ratios using similarity or dissimilarity scores resulting from a comparison of two patterns that overcome this deficiency for suitably chosen similarity measures. In such instances, the likelihood…
2017 NIJ R&D Series Impression, Pattern, & Trace Evidence
Overview The NIJ Forensic Science Research and Development Symposium was a free and open meeting where attendees learned about NIJ-funded research across a variety of forensic science areas. Morning Session I – Impression, Pattern & Trace Evidence Speakers & Presentations…
2016 NSAPS Panel 2 – Victim-Centered Approaches
Overview The National Institute of Justice, through its Forensic Technology Center of Excellence hosted “Looking Ahead: The National Sexual Assault Policy Symposium” on September 8-9, 2016, in Washington D.C. The audience learned how first responders such as medical staff, victims’…
2016 NSAPS Panel 1 – Immediate Aftermath of Sexual Assault
Overview The National Institute of Justice, through its Forensic Technology Center of Excellence hosted “Looking Ahead: The National Sexual Assault Policy Symposium” on September 8-9, 2016, in Washington D.C. This panel provided an overview of how a traumatic event like…
2016 NIJ R&D Series Impression, Pattern & Trace Evidence
Overview Morning Session I: Impression, Pattern, & Trace Evidence The NIJ Research and Development (R&D) Program funds both basic or applied R&D projects that will: (1) increase the body of knowledge to guide and inform forensic science policy and practice,…