Forensic Technology Center of Excellence

Trace Evidence

microphone and headphones

 Just the Impression and Pattern/Trace Evidence Portfolio

In episode two of our 2021 NIJ R&D and Beyond mini season, Just Science sat down with Dr. Gregory Dutton, a physical scientist in the Office of Investigative and Forensic Sciences at the National Institute of Justice, to discuss NIJ’s Impression, Pattern, and Trace Evidence research portfolio.    Between latent fingerprints,…
Burning building/scientist collecting evidence

Advancing Fire Scene Investigations with Field Portable Technologies

This webinar originally occurred on April 6th, 2021 Duration: 1.5 hours This multi-year effort evaluated the application and limitations of field portable Gas Chromatography/Mass Spectrometry (GC/MS) systems.  The testing included three bench-top burns, nine flashover burns and 139 fire scenes with hundreds of samples…

Stability and Persistence of Touch DNA for Forensic Analysis

Touch DNA evidence (i.e. the low quantities of DNA that can be left behind when someone touches an object) is of increasing importance in criminal investigations. However, many important questions exist regarding basic properties of touch DNA, including the expected…
various explosives, including fireworks

Intact Low Explosives Analysis with an Emphasis on Microscopical Methods

– Thursday, July 16th, 2020 1:00:00 PM ET – 2:30:00 PM ETDuration: 1.5 hour(s) The presenters in this webinar will discuss intact low explosives analysis with an emphasis on microscopical methods. They will cover basic terminology for explosives, the rationale…
microphone and headphones

Just Quick Screening Methods for Firearm Discharge Residues

In this episode of the 2020 R&D Season, Just Science interviews Dr. Tatiana Trejos, Assistant Professor of the Department of Forensic and Investigative Sciences at West Virginia University, about the rapid detection of organic and inorganic gunshot residue. Speed and…
Silhouette of two people beside building on fire

Modifications to Capillary Microextraction in Volatiles (CMV) for the Extraction of Ignitable Liquid Residues (ILRs)

– Technical Note: Modifications to Capillary Microextraction in Volatiles (CMV) for the Extraction of Ignitable Liquid Residues (ILRs)  – Report Date April 2020 Description This report summarizes the development and implementation of a novel sampling device (capillary microextraction of volatiles…

2019 National Institute of Justice Forensic Science Research and Development Symposium

This report was published in RTI Press, a global publisher of peer-reviewed, open-access publications on a broad range of topics. The areas of focus reflect RTI’s multidisciplinary research, our expertise in social and laboratory sciences, and our extensive international activities. Since…
a bullet being fired from a revolver

Rapid and Effective Identification of Organic and Inorganic Gunshot Residues

Wednesday, November 20th, 2019 1:00:00 PM ET – 2:30:00 PM ET Duration: 1.5 hour(s) Forensic laboratories and law enforcement personnel provide valuable support in the reconstruction of events and the assessment of the value of evidence in firearm-related investigations. The…

Success Story: Advancing 3D Virtual Microscopy for Firearm Forensics

NIJ and Cadre Forensics Report Date March 2019 Impact “High-resolution 3D surface topographies coupled with advanced software analysis are providing firearm examiners unprecedented new tools for microsurface examination.” -Dr. Ryan Lilien, Chief Scientific Officer, Cadre Forensics Click here to read…

Conference Proceedings: 2018 Impression Pattern and Trace Evidence Symposium

This report was published in RTI Press, a global publisher of peer-reviewed, open-access publications on a broad range of topics. The areas of focus reflect RTI’s multidisciplinary research, our expertise in social and laboratory sciences, and our extensive international activities. Since…

Conference Proceedings: 2018 Research and Development Symposium

This report was published in RTI Press, a global publisher of peer-reviewed, open-access publications on a broad range of topics. The areas of focus reflect RTI’s multidisciplinary research, our expertise in social and laboratory sciences, and our extensive international activities. Since…

Success Story: Establishing a “Microbial Clock” to Improve Time of Death Prediction

NIJ and Multi-Institute Academic Team Report Date April 2018 Impact “This research clearly demonstrated that there is potential to develop microbiome tools for estimating time of death. Developing connections with the right interdisciplinary collaborators was instrumental to the success of…

Applied Polarized Light Microscopy for Trace Evidence Examiners

REPORT DATE April 2018 REPORT SUMMARY Polarized light microscopy (PLM) is a technique commonly used in the field of forensic science. PLM characterizes and identifies trace evidence found at crime scenes, such as fibers, hairs, paints, and glass fragments. This…

2018 IPTES Plenary – Closing Keynote Speaker Adam Benforado

IPTES was designed to bring together practitioners and researchers to enhance information-sharing and promote collaboration among the impression, pattern, and trace evidence analysts, law enforcement, and legal communities. This original Live Webinar took place on 01/25/2018. The National Institute of…

2018 IPTES – Trace Evidence Breakout Day 2 PM

IPTES was designed to bring together practitioners and researchers to enhance information-sharing and promote collaboration among the impression, pattern, and trace evidence analysts, law enforcement, and legal communities. This original Live Webinar took place on 01/25/2018. The National Institute of…

2018 IPTES – Trace Evidence Breakout Day 2 AM – Part 2

IPTES was designed to bring together practitioners and researchers to enhance information-sharing and promote collaboration among the impression, pattern, and trace evidence analysts, law enforcement, and legal communities. This original Live Webinar took place on 01/25/2018. The National Institute of…

2018 IPTES – Trace Evidence Breakout Day 2 AM – Part 1

IPTES was designed to bring together practitioners and researchers to enhance information-sharing and promote collaboration among the impression, pattern, and trace evidence analysts, law enforcement, and legal communities. This original Live Webinar took place on 01/25/2018. The National Institute of…

2018 IPTES – Trace Evidence Breakout Day 1 PM

IPTES was designed to bring together practitioners and researchers to enhance information-sharing and promote collaboration among the impression, pattern, and trace evidence analysts, law enforcement, and legal communities. This original Live Webinar took place on 01/24/2018. The National Institute of…

2018 IPTES Plenary – Statistics & Testimony From Practitioner

IPTES was designed to bring together practitioners and researchers to enhance information-sharing and promote collaboration among the impression, pattern, and trace evidence analysts, law enforcement, and legal communities.This original Live Webinar took place on 01/24/2018. The National Institute of Justice…

2018 IPTES Plenary – Opening Remarks & Statistical Approaches

IPTES was designed to bring together practitioners and researchers to enhance information-sharing and promote collaboration among the impression, pattern, and trace evidence analysts, law enforcement, and legal communities. This original Live Webinar took place on 01/24/2018. The National Institute of…

2016 National Institute of Justice Forensic Science Research and Development Symposium

This report was published in RTI Press, a global publisher of peer-reviewed, open-access publications on a broad range of topics. The areas of focus reflect RTI’s multidisciplinary research, our expertise in social and laboratory sciences, and our extensive international activities. Since…

Conference Proceedings: 2015 Impression, Pattern, and Trace Evidence Symposium

This report was published in RTI Press, a global publisher of peer-reviewed, open-access publications on a broad range of topics. The areas of focus reflect RTI’s multidisciplinary research, our expertise in social and laboratory sciences, and our extensive international activities. Since…

Utilization of Organic Constituents into GSR Analysis

Suzanne Bell of West Virginia University (WVU, Departments of Chemistry and Forensic Science) presents on the utilization of organic constituents into gunshot residue analysis. This innovative technology involves experimental and modeling studies used to elucidate characteristics of skin permeation of…

Basics of Microbiology as they Apply to Forensics

↩ Back to Series  Dr. Bruce Budowle, of the University of North Texas Health Science Center, and Dr. Dana Kadavy, Director of Biological Sciences at Signature Science, LLC, presented on microbiology, pathogens, human microbiome, and genetic engineering/synthetic biology. Participants will gain…