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Publications and Presentations

Our goal is to share how CSAFE research directly impacts the forensic science community. To connect you with the latest advancements, our team publicizes research results in peer-reviewed scientific journals and at worldwide forensic science conferences.

Below you will find links to full publications resulting from center research, as well as copies of recent presentation slides. Looking for more CSAFE products? Find research tools and datasets in our resources section.

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Found 170 Results
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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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Latent print comparison and examiner conclusions: A field analysis of case processing in one crime laboratory

Type: Research Area(s):

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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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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Statistical Methods for the Forensic Analysis of User-Event Data

Type: , Research Area(s):

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

Type: Research Area(s):

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

Type: Research Area(s):

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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Statistical Methods for the Forensic Analysis of Geolocated Event Data

Type: Research Area(s):

Published: 2020 | By: Christopher Galbraith

A common question in forensic analysis is whether two observed data sets originated 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. Here…

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Implementing blind proficiency testing in forensic laboratories: Motivation, obstacles, and recommendations

Type: Research Area(s):

Published: 2020 | By: Robin Meija

Regular proficiency testing of forensic examiners is required at accredited laboratories and widely accepted as an important component of a functioning quality assurance program. Yet, unlike in other testing industries, the majority of forensic laboratories testing programs rely entirely on…

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Statistical models to predict exposure settings using two different iPhone camera apps

Type: Research Area(s):

Published: 2020 | By: Kurt Michael Kabriel

The StegoAppDB [Newman, J. (2019)] is a digital image database containing camera data from Android and iPhone mobile phones and developed for forensic purposes. Taken with a custom-designed camera app called Cameraw rather than the camera app native to the…

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Statistical methods for digital image forensics: Algorithm mismatch for blind spatial steganalysis and score-based likelihood ratios for camera device identification

Type: , Research Area(s):

Published: 2020 | By: Stephanie Reinders

Forensic science currently faces a variety of challenges. Statistically suitable reference databases need to be developed and maintained. Subjective methods that can introduce bias need to be replaced by objective methods. Highly technical forensic methods need to be clearly and…

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Bayesian hierarchical modeling for the forensic evaluation of handwritten documents

Type: , Research Area(s):

Published: 2020 | By: Amy Crawford

The analysis of handwritten evidence has been used widely in courts in the United States since the 1930s (Osborn, 1946). Traditional evaluations are conducted by trained forensic examiners. More recently, there has been a movement toward objective and probability-based evaluation…

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Mock Jurors’ Evaluation of Firearm Examiner Testimony

Type: Research Area(s):

Published: 2020 | By: Brandon L. Garrett

Objectives: Firearms experts traditionally have testified that a weapon leaves “unique” toolmarks, so bullets or cartridge casings can be visually examined and conclusively matched to a particular firearm. Recently, due to scientific critiques, Department of Justice policy, and judges’ rulings,…

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A Pioneer in Forensic Science Reform: The Work of Paul Giannelli

Type: Research Area(s):

Published: 2018 | By: Brandon Garrett

Few can say, “I told you so,” to our entire criminal justice system. Being right about what is wrong with the use of evidence in criminal cases is not a bad thing, but being able to influence the growing response…

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Probabilistic Reporting in Criminal Cases in the United States: A Baseline Study

Type: Research Area(s):

Published: 2020 | By: Simon Cole

Forensic evidence reporting shows a high degree of adherence to prevailing disciplinary standards.  Probabilistic reporting of forensic results remains rare.  Probabilistic reports were mostly subjective verbal assignments of posterior probabilities.

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Statistical methods for digital image forensics: Algorithm mismatch for blind spatial steganalysis and score-based likelihood ratios for camera device identification

Type: Research Area(s):

Published: 2020 | By: Stephanie Reinders

Forensic science currently faces a variety of challenges. Statistically suitable reference databases need to be developed and maintained. Subjective methods that can introduce bias need to be replaced by objective methods. Highly technical forensic methods need to be clearly and…

View on Digital Repository


Open Forensic Science in R

Type: Research Area(s):

Published: 2019 | By: Samantha Tyner

This book is for anyone looking to do forensic science analysis in a data-driven and open way. Whether you are a student, teacher, or scientist, this book is for you. We take the latest research, primarily from the Center for Statistics and…

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Statistical Methods for the Forensic Analysis of User-Event Data

Type: Research Area(s):

Published: 2020 | By: Chris 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…

View on Digital Repository


Hunting wild stego images, a domain adaptation problem in digital image forensics

Type: Research Area(s):

Published: 2020 | By: Li Lin

Digital image forensics is a field encompassing camera identication, forgery detection and steganalysis. Statistical modeling and machine learning have been successfully applied in the academic community of this maturing field. Still, large gaps exist between academic results and applications used…

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How Can a Forensic Result Be a ‘Decision’? A Critical Analysis of Ongoing Reforms of Forensic Reporting Formats for Federal Examiners

Type: Research Area(s):

Published: 2020 | By: Simon A. Cole

The decade since the publication of the 2009 National Research Council report on forensic science has seen the increasing use of a new word to describe forensic results. What were once called “facts,” “determinations,” “conclusions,” or “opinions,” are increasingly described…

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Quantifying the similarity of 2D images using edge pixels: An application to the forensic comparison of footwear impressions

Type: Research Area(s):

Published: 2020 | By: Soyoung Park

We propose a novel method to quantify the similarity between an impression (Q) from an unknown source and a test impression (K) from a known source. Using the property of geometrical congruence in the impressions, the degree of correspondence is…

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