Introduction

Category: Trace Evidence (page 7)

Category: Trace Evidence (page 7)

microphone and headphones

 Just the Impression and Pattern/Trace Evidence Portfolio

Original Release Date: June 11, 2021 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…
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Burning building/scientist collecting evidence

Advancing Fire Scene Investigations with Field Portable Technologies

← Additional Portable Instrumentation for On-Scene Fire Debris Analysis Resources This webinar originally occurred on April 6, 2021. Duration: 1.5 hours Overview 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,…
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various explosives, including fireworks

Intact Low Explosives Analysis with an Emphasis on Microscopical Methods

This webinar originally occurred on July 16, 2020 Duration: 1.5 hours Overview 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 of low…
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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

← Additional Portable Instrumentation for On-Scene Fire Debris Analysis Resources Publication Forensic Chemistry, June 2020 Authors Michelle N. Torres | Florida International University Nicole B. Valdes | Florida International University José R. Almirall | Florida International University Abstract A novel…
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microphone and headphones

Just Quick Screening Methods for Firearm Discharge Residues

Original Release Date: April 10, 2020 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…
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Silhouette of two people beside building on fire

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

← Additional Portable Instrumentation for On-Scene Fire Debris Analysis Resources Date March 2020 Overview 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…
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