Silencing the Defense Expert
In the wake of the 2009 NRC and 2016 PCAST Reports, the Firearms and Toolmark (FATM) discipline has come under increasing scrutiny. Validation studies like AMES I, Keisler, AMES II,
Developing a Repeatable and Reproducible Protocol for Establishing Combined Minutiae Frequencies
Fingerprint minutia types influence LPEs’ analyses and evaluations during casework, with features perceived as rarer generally given more weight. Last year, we reported on examiner perceptions of minutia type frequency.
Statistical Interpretation and Reporting of Fingerprint Evidence: FRStat Introduction and Overview
The FRStat is a tool designed to help quantify the strength of fingerprint evidence. Following lengthy development and validation with assistance from CSAFE and NIST, in 2017 the FRStat was
Forensic Science in Legal Education
In criminal cases, forensic science reports and expert testimony play an increasingly important role in adjudication. More states now follow a federal reliability standard, following Daubert v. Merrell Dow Pharmaceuticals
Hierarchical Bayesian non-response models for error rates in forensic black-box studies
Forensic science plays a critical role in the United States criminal legal system. Historically, however, most feature-based fields of forensic science, including firearms examination and latent print analysis, have not
The ASCLD Forensic Research Committee and You: A Collaboration Worth Investigating
This CSAFE webinar was held on November 17, 2022. Presenter: Henry Maynard Forensic Research Committee Chair, American Society of Crime Laboratory Directors Presentation Description: Over the last few years, the
handwriter: a Demonstration and Update on CSAFE Handwriting Analysis
This CSAFE webinar was held on October 18, 2022. Presenters: Alicia Carriquiry Director, CSAFE Distinguished Professor and President’s Chair, Department of Statistics – Iowa State University Stephanie Reinders Research Scientist,
Tutorial on Likelihood Ratios with Applications in Digital Forensics
This CSAFE webinar was held on September 15, 2022. Presenters: Rachel Longjohn PhD Student – Department of Statistics, University of California, Irvine Dr. Padhraic Smyth Chancellor’s Professor – Departments of
Ensemble SLRs for Forensic Evidence Comparison
This CSAFE webinar was held on August 25, 2022. Presenter: Danica Ommen Assistant Professor – Department of Statistics, Iowa State University Presentation Description: To strengthen the statistical foundations of forensic
Blind Testing in Firearms Examination: Preliminary Results, Benefits, Limitations, and Future Directions
This CSAFE webinar was held on June 23, 2022. Presenters: Maddisen Neuman Quality / Research Associate, Houston Forensic Science Center Presentation Description: Open proficiency tests created by external vendors