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Forensic Science

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Displaying 426 - 450 of 528

SRM NIST Standard Reference Materials Catalog, January 2010

January 4, 2010
Author(s)
Regina R. Montgomery, Joan C. Sauerwein
NIST Standard Reference Materials (SRMs) are used by industry, government, and academia to ensure the highest quality measurements. This catalog lists over 1100 individual reference materials produced and sold by NIST, each with carefully assigned values

Traceability for Ballistics Signature Measurements in Forensic Science

December 1, 2009
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Susan M. Ballou, Li Ma, Thomas Brian Renegar, Xiaoyu Alan Zheng, Martin Ols
The National Institute of Standards and Technology (NIST) in collaboration with the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) has developed the Standard Reference Material (SRM) 2460 Bullets and 2461 Casings. NIST has also developed a 2D

A METHODOLOGY FOR DETECTING RESIDUAL PHOSPHORIC ACID IN POLYBENZOXAZOLE FIBERS

November 24, 2009
Author(s)
Eun S. Park, John R. Sieber, Charles M. Guttman, Kirk D. Rice, Kathleen M. Flynn, Stephanie S. Watson, Gale A. Holmes
There is great interest in the degradation of ballistic fibers from exposure to sunlight and high humidity, because it directly affects the lives of people who use protective ballistic armor. However, to date, no mechanism has been found to explain how

Mobile Forensic Reference Materials: a Methodology and Reification

October 14, 2009
Author(s)
Wayne Jansen, Aurelien M. Delaitre
This report concerns the theoretical and practical issues with automatically populating mobile devices with reference test data for use as reference materials in validation of forensic tools. It describes an application and data set developed to populate

NIST SRM (Standard Reference Material) 2460/2461 Standard Bullets and Casings Project

October 13, 2009
Author(s)
Jun-Feng Song, Thomas Brian Renegar, Xiaoyu Alan Zheng, Robert M. Thompson, Richard M. Silver, Martin M. Ols, Ted T. Vorburger
The National Institute of Standards and Technology (NIST) in collaboration with the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) has developed the Standard Reference Material (SRM) 2460 Bullets and 2461 Cartridge Cases. NIST has also

A Coherent Approach for Interrogating Polybenzoxazole Fibers for Residual Phosphoric Acid

September 17, 2009
Author(s)
Gale A. Holmes, Eun S. Park, Charles M. Guttman, Kathleen M. Flynn, John R. Sieber, Stephanie S. Watson, Kirk D. Rice
Because of the premature failure of soft-body armor that contains the active fiber poly [(benzo-[1,2-d:5,4-d']-benzoxazole-2,6-diyl)-1,4-phenylene] (PBO), the Office of Law Enforcement Standards (OLES) at the National Institute of Standards and Technology

A New 26plex Autosomal STR Assay to Aid Human Identity Testing*(dagger)

September 1, 2009
Author(s)
Carolyn R. Steffen, John M. Butler, Peter Vallone
Multiplex polymerase chain reaction (PCR) has become the standard in forensic testing. Currently there are two commercial multiplex PCR amplification kits available that simultaneously amplify 16 short tandem repeat (STR) loci that include the 13 FBI

Hashing Techniques for Mobile Device Forensics

June 15, 2009
Author(s)
Richard Ayers, Shira Danker, Rick Mislan
Technological advances found in mobile devices today, equal or exceed that of the computing power present in desktop computers of less than a decade ago. As mobile devices proliferate, techno-logical advances provide users with increased power, range

Mobile Device Forensics - Tool Testing

May 6, 2009
Author(s)
Richard Ayers
The goal of the Computer Forensic Tool Testing (CFTT) project at the National Institute of Standards and Technology (NIST) is to establish a methodology for testing computer forensic software tools. The results provide information necessary for toolmakers

Non-GSM Mobile Device Tool Specification

January 7, 2009
Author(s)
Richard Ayers
As mobile devices proliferate, incorporating a host of integrated features and capabilities, their use can be seen everywhere in our world today. Mobile communication devices contain a wealth of sensitive and non-sensitive information. In the investigative

GSM Mobile Device and Associated Media Tool Specification

January 6, 2009
Author(s)
Richard Ayers
Mobile devices incorporating cellular capabilities are ubiquitous and contain a wealth of personal information useful in criminal cases, civil disputes, employment proceedings, and recreation of incidents. Due to the rapid rate of mobile devices appearing

SRM NIST Standard Reference Materials Catalog, January 2009

January 2, 2009
Author(s)
Joan C. Sauerwein, Regina R. Montgomery
NIST Standard Reference Materials (SRMs) are used by industry, government, and academia to ensure the highest quality measurements. This catalog lists over 1100 individual reference materials produced and sold by NIST, each with carefully assigned values

Non-GSM Mobile Device Tool Test Assertions and Test Plan

January 1, 2009
Author(s)
Richard Ayers
As mobile devices proliferate, incorporating a host of integrated features and capabilities, their use can be seen everywhere in our world today. Mobile communication devices contain a wealth of sensitive and non-sensitive information. In the investigative

Demonstration of Rapid Multiplex PCR Amplification Involving 16 Genetic Loci

December 1, 2008
Author(s)
Peter Vallone, Carolyn R. Steffen, John M. Butler
Current forensic DNA typing is conducted in approximately eight to ten hours with steps including DNA extraction, quantitation, polymerase chain reaction (PCR) amplification of multiple short tandem repeat (STR) loci, capillary electrophoresis separation

Addressing Y-Chromosome Short Tandem Repeat(Y-STR) Allele Nomenclature

November 25, 2008
Author(s)
John M. Butler, Margaret C. Kline, Amy E. Decker
Currently 120 different Y-chromosome short tandem repeat (Y-STR) markers are used by various genetic genealogy testing laboratories. In some cases, different laboratories may designate the same Y-STR allele with two different nomenclatures making data

Forensic Filtering of Cell Phone Protocols

August 27, 2008
Author(s)
Aurelien M. Delaitre, Wayne Jansen
Phone managers are non-forensic software tools designed to carry out a range of tasks for the user, such as reading and updating the contents of a phone, using one or more of the communications protocols supported by the phone. Phone managers are sometimes

Forensic Protocol Filtering of Phone Managers

July 24, 2008
Author(s)
Wayne Jansen, Aurelien M. Delaitre
Phone managers are non-forensic tools sometimes used by forensic investigators to recover data from a cell phone when no suitable forensic tool is available for the device. While precautions can be taken to preserve the integrity of data on a cell phone

Digital Forensics at the National Institute of Standards and Technology

April 1, 2008
Author(s)
James R. Lyle, Douglas R. White, Richard Ayers
There are three digital forensic science projects: National Software Reference Library (NSRL), Computer Forensic Tool Testing (CFTT), Computer Forensic Reference Data Sets (CFReDS) currently providing resources for the digital investigator underway at the

Characterization of 26 miniSTR loci for improved analysis of degraded DNA samples

January 25, 2008
Author(s)
Carolyn R. Steffen, Margaret C. Kline, Michael Coble, John M. Butler
An additional 20 novel mini-short tandem repeat (miniSTR) loci have been developed and characterized to aid in the analysis of degraded DNA samples. These new markers produce short PCR products in the target range of 50 150 base pairs (bp) by moving the

Overcoming Impediments to Cell Phone Forensics

January 16, 2008
Author(s)
Wayne Jansen, Aurelien M. Delaitre, Ludovic Moenner
Cell phones are an emerging but rapidly growing area of computer forensics. While cell phones are becoming more like desktop computers functionally, their organization and operation are quite different in certain areas. For example, most cell phones do not
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