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Forensic Science

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Displaying 451 - 475 of 540

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

Toward Quantitative Fluorescence Measurements with Multicolor Flow Cytometry

December 28, 2007
Author(s)
Lili Wang, Adolfas Gaigalas, Gerald Marti, Fatima Abbasi, Robert A. Hoffman
A procedure is presented for calibrating the output of a multicolor flow cytometer in units of antibodies bound per cell (ABC). The procedure involves two steps. First, each of the fluorescence channels of the flow cytometer is calibrated using Ultra

Reference Material for Assessing Forensic SIM Tools

October 1, 2007
Author(s)
Wayne Jansen, Aurelien M. Delaitre
Subscriber Identity Modules (SIMs) are a fundamental standardized component of most cell phones used worldwide. A SIM can be removed from a phone handset and inserted into another, allowing users to port identity, personal information, and service between

Concordance Study Between the AmpFlSTR((R)) MiniFiler(TM) PCR Amplification Kit and Conventional STR Typing Kits

July 25, 2007
Author(s)
Carolyn R. Steffen, Margaret C. Kline, Julio J. Mulero, Robert E. Lagace, Chien-Wei Chang, Lori K. Hennessy, John M. Butler
The AmpFlSTR MiniFiler PCR Amplification kit developed by Applied Biosystems enables size reduction on eight of the larger short tandem repeat (STR) loci amplified in the Identifiler kit, which will aid recovery of information from highly degraded DNA

Forensic Techniques for Cell Phones

June 27, 2007
Author(s)
Shirley M. Radack
The data that is captured on mobile phones can be a source of valuable information to organizations that are investigating crimes, policy violations and other security incidents. The science of recovering digital evidence from mobile phones, using

Face Recognition Algorithms surpass humans matching faces across changes in illumination

May 15, 2007
Author(s)
P. Jonathon Phillips, Alice J. O'Toole, Fang Jian, Julianne Ayadd, Nils Penard, Herve Abdi
We compared the accuracy of eight state-of-the-art face recognition algorithms with human performance on the same task. Humans and algorithms determined whether two face images, taken under different illumination conditions, were pictures of the same

A 14-pixel, multiplexed array of gamma-ray microcalorimeters with 47 eV energy resolution at 103 keV

May 9, 2007
Author(s)
W.Bertrand (Randy) Doriese, Joel Ullom, James A. Beall, William Duncan, S. L. Ferreira, Gene C. Hilton, Rob Horansky, Kent D. Irwin, John Mates, Carl D. Reintsema, Leila R. Vale, Yizi Xu, Barry L. Zink, Andrew Hoover, Michael W. Rabin, Clifford R. Rudy, Duc Vo
We present a prototype for a high-energy-resolution, high-count-rate, gamma-ray spectrometer intended for nuclear forensics and international nuclear safeguards. The prototype spectrometer is an array of 14 transition-edge-sensor microcalorimeters with an

Cell Phone Forensic Tools: An Overview and Analysis Update

March 21, 2007
Author(s)
Richard Ayers, Wayne Jansen, Aurelien M. Delaitre, Ludovic Moenner
Cell phones and other handheld devices incorporating cell phone capabilities (e.g., Personal Digital Assistant (PDA) phones) are ubiquitous. Rather than just placing calls, certain phones allow users to perform additional tasks such as SMS (Short Message

Unique File Identification in the National Software Reference Library

October 24, 2006
Author(s)
Steven L. Mead
The National Software Reference Library (NSRL) provides a repository of known software, file profiles, and file signatures for use by law enforcement and other organizations involved with computer forensic investigations. This paper examines whether the
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