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Forensic Science

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Displaying 226 - 250 of 540

Evaluation of a lateral flow immunoassay for the detection of the synthetic opioid fentanyl

April 26, 2019
Author(s)
Edward Sisco, Daniel J. Angelini, Tracey D. Briggs, Michele N. Maughan, Michael G. Feasel, Jennifer W. Sekowski
In the United States in 2016, 64,000 overdose deaths were reported to be associated with the abuse of opioids, including prescription painkillers (e.g. oxycodone), opiates (e.g. heroin), or synthetic opioids (e.g. fentanyl). The recent spike in the

Methods to Characterize 3D Scanners for Forensic Applications

February 22, 2019
Author(s)
Prem K. Rachakonda, Balasubramanian Muralikrishnan
Forensic photography has been one of the most valuable tool for investigators over many decades. They preserve the history of the scene and provide a way for investigators to analyze the scene of interest. However, it is difficult to obtain any objective

A Layered Graphical Model for Cloud Forensic and Mission Impact Analysis

February 1, 2019
Author(s)
Changwei Liu, Anoop Singhal, Duminda Wijesekera
In this paper, we describe a layered graphical model to analyze the impact of cyber attacks on business processes and services. Our model has three layers: the upper layer models the business processes and their dependencies. The middle layer constructs

MFC Datasets: Large-Scale Benchmark Datasets for Media Forensic Challenge Evaluation

January 11, 2019
Author(s)
Haiying Guan, Mark Kozak, Eric Robertson, Yooyoung Lee, Amy Yates, Andrew Delgado, Daniel F. Zhou, Timothee N. Kheyrkhah, Jeff Smith, Jonathan G. Fiscus
We provide a benchmark for digital media forensic challenge evaluations. A series of datasets are used to assess the progress and deeply analyze the performance of diverse systems on different media forensic tasks across last two years. The benchmark data

2018 Rapid DNA Maturity Assessment Results

September 26, 2018
Author(s)
Erica L. Romsos, Peter Vallone
The Rapid DNA Act, which amends the DNA Identification Act of 1994, allows for the integration of rapid DNA instruments for use by law enforcement for DNA testing of arrestees in a booking station environment. Several parallel efforts have been made to

A Reference Material for Evaluation of Cs-137 Radiochronometric Measurements

August 16, 2018
Author(s)
Kevin B. Lavelle, Richard Essex, Jeffrey T. Cessna, Kevin P. Carney, Cole R. Hexel
A new nuclear forensic reference material has been characterized as a standard for radiochronometric determination of the model purification date for 137Cs sources. The purification date of a radioactive source is a potentially diagnostic nuclear forensic

Sequence-based U.S. population data for 27 autosomal STR loci

July 19, 2018
Author(s)
Katherine Gettings, Lisa Borsuk, Carolyn R. Steffen, Kevin M. Kiesler, Peter Vallone
This manuscript reports STR sequence-based allele frequencies for the "NIST 1036" sample set across 27 autosomal STR loci: D1S1656, TPOX, D2S441, D2S1338, D3S1358, D4S2408, FGA, D5S818, CSF1PO, D6S1043, D7S820, D8S1179, D9S1122, D10S1248, TH01, vWA

Navigating Unmountable Media with the Digital Forensics XML File System

May 31, 2018
Author(s)
Alexander J. Nelson, Alexandra Chassanoff, Alexandra Holloway
Some computer storage is non-navigable by current general-purpose computers. This could be because of obsolete interface software, or a more specialized storage system lacking widespread support. These storage systems may contain artifacts of great

Quick Start Guide for Populating Mobile Test Devices

May 10, 2018
Author(s)
Richard Ayers, Benjamin R. Livelsberger, Barbara Guttman
This guide provides procedures for documenting and populating various data elements typically found within the contents of a mobile device, e.g., mobile phone, tablet, etc. The guide discusses techniques and considerations for preparing the internal memory

Sequence-based U.S. population data for the SE33 locus

May 7, 2018
Author(s)
Lisa Borsuk, Katherine Gettings, Carolyn R. Steffen, Kevin M. Kiesler, Peter Vallone
A set of 1036 U.S. Population Samples were sequenced using the Illumina ForenSeq DNA Signature Prep Kit. This sample set has been highly characterized using a variety of marker systems for human identification. The FASTQ files obtained from a ForenSeq DNA

Recent Advances in Ambient Mass Spectrometry of Trace Explosives

May 6, 2018
Author(s)
Thomas Forbes, Edward Sisco
Ambient mass spectrometry has evolved rapidly over the past decade, yielding a plethora of platforms and demonstrating scientific advancements across a range of fields from biological imaging to rapid quality control. These techniques have enabled real

Certification of Standard Reference Material(R) 2372a Human DNA Quantitation Standard

March 19, 2018
Author(s)
Erica L. Romsos, Margaret C. Kline, Natalia Farkas, David L. Duewer, Blaza Toman
Standard Reference Material (SRM) 2372a is intended for use in the value assignment of human genomic deoxyribonucleic acid (DNA) forensic quantitation materials. A unit of SRM 2372a consists of three well-characterized human genomic DNA materials

Estimating Error Rates for Firearm Evidence Identifications in Forensic Science

March 1, 2018
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Wei Chu, James H. Yen, Johannes A. Soons, D Ott, Nien F. Zhang
Estimating error rates for firearm evidence identification is a fundamental challenge in forensic science. This paper describes the recently developed Congruent Matching Cells (CMC) method for image comparisons, its application to firearm identification

"The devil's in the detail": Release of an expanded, enhanced and dynamically revised forensic STR Sequence Guide

February 21, 2018
Author(s)
Christopher Phillips, Katherine Gettings, Jonathan King, David Ballard, Martin Bodner, Lisa Borsuk, Walther Parson
The STR sequence template file published in 2016 as part of the considerations from the DNA Commission of theInternational Society for Forensic Genetics on minimal STR sequence nomenclature requirements, has been comprehensively revised and audited using

A Layered Graphical Model for Mission Attack Impact Analysis

December 21, 2017
Author(s)
Changwei Liu, Anoop Singhal, Duminda Wijesekera
In this paper, we describe a layered graphical model to analyze the mission impacts of attacks for forensic investigation. Our model has three layers: the upper layer models operational tasks and their dependencies; the middle layer reconstructs attack
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