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…
fire and hexagon tiles

Comparison of Portable and Benchtop GC–MS Coupled to Capillary Microextraction of Volatiles for the Extraction and Analysis of Ignitable Liquid Residues

Report Publication Forensic Chemistry, June 2020 Abstract A novel extraction device, capillary microextraction of volatiles (CMV) was coupled to a TRIDION-9 GC–MS with a needle trap (NTD) and evaluated for the analysis of ignitable liquids fire debris. The performance of…
Silhouette of two people beside building on fire

Modifications to Capillary Microextraction in Volatiles for the Extraction of Ignitable Liquid Residues

Report Date April 2020 Description This report summarizes the development and implementation of a novel sampling device (capillary microextraction of volatiles ) invented in the Almirall research group at Florida International University for ILR extraction as an alternative to current…

Success Story: Enabling Forensic Field Testing with Paper Microfluidic Devices

NIJ and Florida International University Report Date April 2019 Impact “I’m impressed with the potential for replacement wet color tests. The multiplexing capabilities have potential to address the challenges field forensics investigators encounter with non-pure, intermixed drugs as well as…

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…
wood burning

Success Story: Advancing the Forensic Analysis of Ignitable Liquid Fuel Fires

NIJ and JENSEN HUGHES Report Date February 2018 Impact “Dr. Gottuk’s work has reduced the number of inaccurate arson determinations based on low burns and holes in the floor. It has even played a role in reversing some wrongful convictions…