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Forensic Science

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Displaying 126 - 150 of 540

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

Screening and Confirmation of Seized Drugs Utilizing Portable Raman Spectroscopy (TacticID) and Direct Analysis in Real Time-Mass Spectrometry (DART-MS)

October 8, 2021
Author(s)
Travon Cooman, Colby E. Ott, Kourtney A. Dalzell, Amber Burns, Edward Sisco, Luis E. Arroyo
The continuous change of the drug landscape in the United States demands adaptation and incorporation of emerging analytical methods that preferably allow onsite screening but are also capable of supporting the analysis of seized drugs received at forensic

Open Media Forensics Challenge (OpenMFC) 2020-2021: Past, Present, and Future

September 29, 2021
Author(s)
Haiying Guan, Yooyoung Lee, Lukas Diduch, Jesse Zhang, Ilia Ghorbanian Bajgiran, Timothee Kheyrkhah, Peter Fontana, Jonathan G. Fiscus
This document describes the online leaderboard public evaluation program, Open Media Forensics Challenge (OpenMFC) 2021-2022. In the report, first, the introduction, objectives, challenges, contributions, and achievements of the evaluation program are
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