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CSAFE’s Latest Resources

Change cannot happen without community. CSAFE is passionate about achieving its mission to apply a statistically sound and scientifically solid foundation to the interpretation of forensic evidence. To that end, we invite fellow scientists and researchers, along with those in the forensic and legal communities, to use and share these resources as we work together to elevate forensic science and technology.

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Judges and forensic science education: A national survey

Type: Research Area(s):

Published: 2021 | By: Brandon L. Garrett

In criminal cases, forensic science reports and expert testimony play an increasingly important role in adjudication. More states now follow a federal reliability standard, which calls upon judges to assess the reliability and validity of scientific evidence. Little is known…

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Statistical Thinking for Forensic Practitioners Short Course – Session 1

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Session 1 of this three-part CSAFE short course was held on March 26, 2021. Presenter: Hal Stern Chancellor's Professor in the Department of Statistics, CSAFE Co-Director Presentation Description: Probability Concepts and their Relevance to Forensic Science is the first session…


Latent print comparison and examiner conclusions: A field analysis of case processing in one crime laboratory

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Published: 2021 | By: Brett O. Gardner

Scholarship on the latent print comparison process has expanded in recent years, responsive to the call for rigorous research by scholarly groups (e.g., National Academy of Sciences, 2009; President’s Council of Advisors on Science and Technology, 2016). Important to the…

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Computer software source code on a screen.

Source Code on Trial

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This CSAFE symposium was held on March 12, 2021. Presenter: Professor Edward Imwinkelried Edward L. Barrett, Jr. Professor of Law Emeritus, University of California - Davis School of Law Panelists: Professor Ric Simmons, The Ohio State University, Moritz College of…


Writing CSAFE

Handwriting Analysis at CSAFE

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This CSAFE webinar was held on March 11, 2021. Presenter: Alicia Carriquiry Distinguished Professor and President's Chair in Statistics, CSAFE Director Presentation Description: Forensic handwriting analysis relies on the principle of individuality: no two writers produce identical writing, and given…


A clustering method for graphical handwriting components and statistical writership analysis

Type: Research Area(s):

Published: 2020 | By: Amy M. Crawford

Handwritten documents can be characterized by their content or by the shape of the written characters. We focus on the problem of comparing a person's handwriting to a document of unknown provenance using the shape of the writing, as is…

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Treatment of Inconclusive Results in Error Rates of Firearm Studies

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This CSAFE webinar was held on February 10, 2021. Presenters: Heike Hofmann Professor and Kingland Faculty Fellow, Iowa State University Susan VanderPlas Research Assistant Professor, University of Nebraska, Lincoln Alicia Carriquiry Distinguished Professor and President's Chair in Statistics, CSAFE Director…


Statistical Methods for the Forensic Analysis of User-Event Data

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Published: 2020 | By: Christopher Galbraith

A common question in forensic analysis is whether two observed data sets originate from the same source or from different sources. Statistical approaches to addressing this question have been widely adopted within the forensics community, particularly for DNA evidence, providing…

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Psychometric analysis of forensic examiner behavior

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Published: 2020 | By: Amanda Luby

Forensic science often involves the comparison of crime-scene evidence to a known-source sample to determine if the evidence and the reference sample came from the same source. Even as forensic analysis tools become increasingly objective and automated, final source identifications…

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Juror appraisals of forensic evidence: Effects of blind proficiency and cross-examination

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Published: 2020 | By: William E. Crozier

Forensic testimony plays a crucial role in many criminal cases, with requests to crime laboratories steadily increasing. As part of efforts to improve the reliability of forensic evidence, scientific and policy groups increasingly recommend routine and blind proficiency tests of…

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