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You are here: Home / Archives for Trace Evidence

Trace Evidence

Trace Evidence Resources on forensicresources.org

November 12, 2020 //  by Sarah Olson

As part of our mission to help North Carolina’s public defense community understand forensic science evidence and achieve better outcomes for clients, the office of the Forensic Resource Counsel continues our efforts to make information related to forensic science evidence more easily accessible to attorneys through this website. In that vein, we are pleased to …

Trace Evidence Resources on forensicresources.orgRead More

Category: AnnouncementsForensic Discipline: Trace Evidence

Tribble v. U.S., 447 A.2d 766 (D.C. 1982).

November 6, 2020 //  by Jessica Phipps

Santae A. Tribble was convicted of killing a taxi driver in 1978. He spent 28 years in prison for a murder that he did not commit. Key evidence at his trial came from separate FBI experts who testified that their scientific analysis proved with near certainty that Tribble’s hair was at the crime scene. However, …

Tribble v. U.S., 447 A.2d 766 (D.C. 1982).Read More

Resource Category: CasesForensic Discipline: Trace Evidence

State v. Bridges, No. 90 CRS23102-04, 2015 WL 12670468 (N.C. Super. Ct. Oct. 1, 2015).

November 6, 2020 //  by Jessica Phipps

In North Carolina, Timothy Scott Bridges was serving life for the rape of an 83-year old woman in Charlotte, in May of 1990. The evidence used at trial was microscopy hair evidence. He was convicted by a jury in Mecklenburg County for the charges of first-degree rape, assault with a deadly weapon with intent to …

State v. Bridges, No. 90 CRS23102-04, 2015 WL 12670468 (N.C. Super. Ct. Oct. 1, 2015).Read More

Resource Category: CasesForensic Discipline: Trace Evidence

Bridges Amicus Brief

November 6, 2020 //  by Jessica Phipps

Filed by the Innocent Network in support of the defendant.

Bridges Amicus BriefRead More

Resource Category: Motions and BriefsForensic Discipline: Trace Evidence

Bridges Motion for Appropriate Relief Consent Order

November 6, 2020 //  by Jessica Phipps

Bridges Motion for Appropriate Relief Consent OrderRead More

Resource Category: Motion for Appropriate ReliefForensic Discipline: Trace Evidence

Forensic Science Laboratory Manual and Workbook

November 5, 2020 //  by Jessica Phipps

Relevant Chapters Include: Experiment 8: Crime Scene Investigation: Safeguarding, Searching, Recognition, Documentation, Collection, Packaging, and Preservation of Physical Evidence Experiment 9: Trace Evidence Collection and Sorting Experiment 11: Examination of Human Hair  Experiment 14: Examination of Trace Quantities of Synthetic Fibers

Forensic Science Laboratory Manual and WorkbookRead More

Resource Category: BooksForensic Discipline: Trace Evidence

FBI admits flaws in hair analysis over decades

October 18, 2020 //  by Jessica Phipps

The Justice Department and FBI have formally acknowledged that nearly every examiner in an elite FBI forensic unit gave flawed testimony in almost all trials in which they offered hair comparison evidence against criminal defendants over more than a two-decade period before 2000. Of 28 examiners with the FBI Laboratory’s microscopic hair comparison unit, 26 …

FBI admits flaws in hair analysis over decadesRead More

Resource Category: Featured ArticlesForensic Discipline: Trace Evidence

A Simplified Guide to Trace Evidence

October 18, 2020 //  by Jessica Phipps

Tiny fragments of physical evidence such as hairs, fibers from clothing or carpeting, or pieces of glass are examples of trace evidence, and can be transferred when two objects touch or when small particles are disbursed by an action or movement. This evidence can be used to reconstruct an event or indicate that a person …

A Simplified Guide to Trace EvidenceRead More

Resource Category: Reports and PublicationsResource Source: FTCOEForensic Discipline: Trace Evidence

FORENSICS@NIST 2020

October 8, 2020 //  by Sarah Olson

Offered by NIST

FORENSICS@NIST 2020Read More

Resource Category: TrainingsResource Source: NISTForensic Discipline: Digital Evidence, DNA, Drug Analysis, Firearms, Foundations of Forensics, Trace Evidence

Portable NIST Kit Can Recover Traces of Chemical Evidence

October 7, 2020 //  by Jessica Phipps

A chemist at NIST has developed a portable version of his method for recovering trace chemicals such as environmental pollutants and forensic evidence including secret graves and arson fire debris. The briefcase-sized kit could enable detectives, field inspectors and others to carry with them a convenient version of NIST’s “headspace analysis” technique, which identifies solid or …

Portable NIST Kit Can Recover Traces of Chemical EvidenceRead More

Resource Category: Featured ArticlesResource Source: NISTForensic Discipline: Trace Evidence

Glass Analysis

October 7, 2020 //  by Jessica Phipps

The goal of this focus area is to improve the field of glass evidence analysis by developing new matrix-matched glass standards and by evaluating more objective approaches to evidence interpretation, such as the likelihood ratio. The latter will be accomplished through the development of glass databases that may be used to assign a significance to …

Glass AnalysisRead More

Resource Category: WebsitesResource Source: NISTForensic Discipline: Trace Evidence

Trace Evidence Data Workshop: Improving Technology and Measurement in Forensic Science

October 7, 2020 //  by Jessica Phipps

Offered By: The National Institute of Standards and Technology. Multiple Speakers. Achieved Videos Available.

Trace Evidence Data Workshop: Improving Technology and Measurement in Forensic ScienceRead More

Resource Category: TrainingsResource Source: NISTForensic Discipline: Trace Evidence

Forensic Database Trace Evidence Table

October 7, 2020 //  by Jessica Phipps

Databases which include reference collections of trace evidence for fibers, glass, automobile identification, paint, tape, plastic bags, powders and impressions.

Forensic Database Trace Evidence TableRead More

Resource Category: WebsitesResource Source: NISTForensic Discipline: Trace Evidence

Improving a Database to Help Identify a Vehicle by Using Paint Fragments

October 6, 2020 //  by Jessica Phipps

For years, investigators have relied on the Paint Data Query database to identify the make of a vehicle by matching the physical attributes, chemical composition, and infrared spectrum of the paint, primers, and clear coating layers. However, there are concerns with the database, generic coding being one of them.

Improving a Database to Help Identify a Vehicle by Using Paint FragmentsRead More

Resource Category: Featured ArticlesResource Source: NIJForensic Discipline: Trace Evidence

Linking Suspects to Crime Scenes with Particle Populations

October 6, 2020 //  by Jessica Phipps

Two scientists with a long record of research into the forensic value of very small particle populations examined cell phones, handguns, drug packaging, and ski masks from the San Diego County Sheriff’s Office examine whether such particles are valuable as physical evidence.

Linking Suspects to Crime Scenes with Particle PopulationsRead More

Resource Category: Featured ArticlesResource Source: NIJForensic Discipline: Trace Evidence

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