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Forensic Science

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Displaying 101 - 125 of 525

Massively parallel sequencing data of 31 autosomal STR loci obtained using the Precision ID GlobalFiler NGS STR Panel v2 for 82 Japanese population samples

April 29, 2022
Author(s)
Tetsushi Kitayama, Kevin Kiesler, Takashi Fukagawa, Haruhiko Watahiki, Yusuke Mita, Koji Fujii, Kazumasa Sekiguchi, Peter Vallone, Natsuko Mizuno
Allele frequencies for 31 autosomal short tandem repeat (STR) loci (CSF1PO, D10S1248, D12ATA63, D12S391, D13S317, D14S1434, D16S539, D18S51, D19S433, D1S1656, D1S1677, D21S11, D22S1045, D2S1338, D2S1776, D2S441, D3S1358, D3S4529, D4S2408, D5S2800, D5S818

Dynamic vapor microextraction of ignitable liquid from casework containers

April 25, 2022
Author(s)
Jennifer Berry, Mary Gregg, Adam Friss, Amanda Koepke, Chris Suiter, Reta Newman, Megan Harries, Kavita Jeerage
Dynamic vapor microextraction (DVME) is a headspace concentration method that can be used to collect ignitable liquid (IL) from fire debris onto chilled adsorbent capillaries. Unlike passive headspace concentration onto activated carbon strips (ACSs) that

Surveying Practicing Firearm Examiners

April 20, 2022
Author(s)
Nicholas Scurich, Brandon Garrett, Robert M. Thompson
The comparison of discharged bullets and shell casings by firearm examiners is one of the most conducted forensic analyses. However, little is known empirically about how practicing firearm examiners view and conduct their work, the range of conclusions

A Template for the Validation of DART-MS for Qualitative Seized Drugs Analysis

March 10, 2022
Author(s)
Edward Sisco, Amber Burns, Elizabeth Schneider, Laurel Bobka, Ikenna Ikpeama
Direct analysis in real time mass spectrometry (DART-MS) is an increasingly employed tool for a wide range of forensic applications including seized drug analysis. A significant body of research surrounds DART-MS for the analysis of seized drugs and how it

Open Media Forensics Challenge 2022 Evaluation Plan

March 3, 2022
Author(s)
Haiying Guan, Yooyoung Lee, Lukas Diduch
This document describes the system evaluation tasks supported by the Open Media Forensics Challenge (OpenMFC) 2022. The evaluation plan covers resources, task definitions, task conditions, file formats for system inputs and outputs, evaluation metrics

OSAC Registry Implementation Survey: 2021 Report

February 21, 2022
Author(s)
Allison Getz
This report provides a detailed look at the respondents and the implementation status of 46 standards that were posted on the OSAC Registry as of March 2021. It also serves to create a baseline to measure the year-over-year progress in the implementation

Results from a Black-Box Study for Digital Examiners

February 17, 2022
Author(s)
Barbara Guttman, Mary T. Laamanen, Craig Russell, James Darnell, Chris Atha
The National Institute of Standards and Technology (NIST) conducted a black-box study in conjunction with a scientific foundation review documented in NISTIR 8354 – Digital Investigation Techniques: A NIST Scientific Foundation Review (initially released

Calculation of likelihood ratios in forensic glass comparisons; introduction to a R code and Shiny app applied to existing background glass elemental databases

December 13, 2021
Author(s)
Anuradha Akmeemana, Ruthmara Corzo, Jodi Webb, Emily Haase, Jose Almirall
The use of standardized and robust analytical methods for the quantitative analysis of the elemental composition of glass fragments enables the characterization and comparison of glass as forensic evidence. This paper in- troduces a new R-based Shiny

Quantitative Evaluation of Footwear Evidence: Initial Workflow for an End-to-End System

November 23, 2021
Author(s)
Gautham Venkatasubramanian, Vighnesh Hegde, Steven Lund, Hariharan K. Iyer, Martin Herman
In the U.S., footwear examiners make decisions about the sources of crime scene shoe impressions using subjective criteria. This has raised questions about the accuracy, repeatability, reproducibility, and scientific validity of footwear examinations

Final Report: Quantitative Measures for Footwear Impression Comparisons

November 21, 2021
Author(s)
Martin Herman
This document is the Final Report for the Interagency Agreement between the National Institute of Justice, Office of Justice Programs and the National Institute of Standards and Technology. The goal of this effort has been to research and develop

An Interlaboratory Study to Evaluate the Forensic Analysis and Interpretation of Glass Evidence

November 14, 2021
Author(s)
Katelyn Lambert, Shirly Montero, Anuradha Akmeemana, Ruthmara Corzo, Gwyneth Gordon, Emily Haase, Ping Jiang, Oriana Ovide, Katrin Prasch, Kahlee Redman, Thomas Scholz, Tatiana Trejos, Jodi Webb, Peter Weis, Wim Wiardia, Sharon Wilczek, Huifang Xie, Peter Zoon, Jose Almirall
The results of an interlaboratory exercise involving ten (10) operational and research laboratories employing laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) and using a standard test method (ASTM E2927-16e1) for the forensic
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