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Latent Print

Implementation of a Blind Quality Control Program in a Forensic Laboratory

A blind quality control (QC) program was successfully developed and implemented in the Toxicology, Seized Drugs, Firearms, Latent Prints (Processing and Comparison), Forensic Biology, and Multimedia (Digital and Audio/Video) sections
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CSAFE 2020 All Hands Meeting

The 2020 All Hands Meeting was held May 12 and 13, 2020 and served as the closing to the last 5 years of CSAFE research and focused on kicking off
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How do latent print examiners perceive proficiency testing? An analysis of examiner perceptions, performance, and print quality

Proficiency testing has the potential to serve several important purposes for crime laboratories and forensic science disciplines. Scholars and other stakeholders, however, have criticized standard proficiency testing procedures since their
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Crime Lab Proficiency Testing and Quality Management

In the wake of recent reports documenting the vulnerability of forensic science methodologies to human error (e.g., NAS, 2009; PCAST, 2016), the field has sometimes pointed to proficiency testing as
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Processing Stamp Bags for Latent Prints: Impacts of Rubric Selection and Gray-Scaling on Experimental Results

We report data on two open issues in our previous experimentation seeking an effective method for development of latent prints on glassine drug bags: (1) the choice of rubric to
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Latent Print Proficiency Testing: An Examination of Test Respondents, Test-Taking Procedures, and Test Characteristics.

Proficiency testing is a key component of quality assurance programs within crime laboratories and can help improve laboratory practices. However, current proficiency testing procedures contain significant limitations and can be
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Accounting for individual differences among decision-makers with applications to the evaluation of forensic evidence

Forensic science often involves the comparison of crime-scene evidence to a known-source sample to determine if the evidence arose from the same source as the reference sample. Common examples include
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Pattern Evidence Research in CSAFE-An Update

CSAFE is a NIST Center of Excellence in Forensic Science. A large portion of CSAFE’s research portfolio is on what is known as pattern evidence, which encompasses any evidence that
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Implementing Blind Proficiency Testing

This CSAFE Center Wide webinar was presented on July 18, 2019 by Dr. Robin Mejia, CSAFE researcher at Carnegie Mellon University. Dr. Mejia provided presentation slides. Presentation Description: Blind proficiency
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The Role of Statistics in Forensic Science

This presentation examines statistical methods in science, statistical success in forensic science as seen in interpreting DNA evidence and statistics in forensic science post-facto. It also discusses where statistics can
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