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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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Advancing the Understanding of 3D Imaging for Firearms Identification

Type: Research Area(s):

Published: 2024 | By: Melissa Nally

Houston Forensic Science Center, in collaboration with CSAFE, has been awarded an NIJ grant to conduct a study focused on comparability of images acquired by 3D instruments manufactured by different vendors. The vendors participating in this study are Cadre (TopMatch),…

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How do Labs Ensure Quality? A Nationwide Review of SOPs for Latent Print Examination

Type: Research Area(s): ,

Published: 2024 | By: Brett Gardner

This presentation is from the 108th International Association for Identification (IAI) Annual Educational Conference, Reno, Nevada, August 11-17, 2024. Posted with permission of CSAFE.

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Statistics and its Applications in Forensic Science and the Criminal Justice System

Type: Research Area(s): ,

Published: 2024 | By: Alicia Carriquiry

This presentation is from the 2024 Joint Statistical Meetings (JSM), Portland, Oregon, August 3-8, 2024.

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Algorithmic matching of striated tool marks

Type: Research Area(s): ,

Published: 2024 | By: Yuhang Lin

Automatic matching algorithms for assessing the similarity between striation marks have been investigated for bullet lands and some tool marks, such as screwdrivers. We are interested in the investigation of how well tools can be identified by marks left on…

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Silencing the Defense Expert

Type: Research Area(s): ,,

Published: 2024 | By: Jeff Salyards

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, Best & Gardner, and Guyll have provided important information about…

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Developing a Repeatable and Reproducible Protocol for Establishing Combined Minutiae Frequencies

Type: Research Area(s): ,

Published: 2024 | By: Adele Quigley-McBride

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. This year, we present the next phase of our research.…

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An algorithm for forensic toolmark comparisons

Type: Research Area(s): ,

Published: 2024 | By: Maria Cuellar

Forensic toolmark analysis traditionally relies on subjective human judgment, leading to inconsistencies and lack of transparency. The multitude of variables, including angles and directions of mark generation, further complicates comparisons. To address this, we first generate a dataset of 3D…

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Challenges in Modeling, Interpreting, and Drawing Conclusions from Images as Forensic Evidence

Type: Research Area(s): ,,,

Published: 2024 | By: Karen Kafadar

When a crime is committed, law enforcement directs crime scene experts to obtain evidence that may be pertinent to identifying the perpetrator(s). Much of this evidence comes in the form of images, either digitally transcribed (e.g.,: fingerprints, handwriting), or as…

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A preliminary study of the manufacturing of breech faces

Type: Research Area(s): ,

Published: 2024 | By: Veronica Franklin

Firearm examiners may face challenges with subclass characteristics. Subclass characteristics have the potential to be confused with individual characteristics if a careful analysis for the presence of subclass characteristics is not performed. Several case studies are reported in the literature…

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Forensic Analysis of Android Cloud SDKs

Type: Research Area(s):

Published: 2024 | By: Chen Shi

This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024.

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Is it a True Match? Top k correlations in a database search

Type: Research Area(s): ,

Published: 2024 | By: Blanca Parker

This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024.

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Quantifying Bayes Factors for Forensic Handwriting Evidence

Type: Research Area(s):

Published: 2024 | By: Anyesha Ray

This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024.

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Quantifying Writer Variance Through Rainbow Triangle Graph Decomposition

Type: Research Area(s):

Published: 2024 | By: Alexandra Arabio

This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024

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Graph-Theoretic Techniques for Forensic Image Comparisons

Type: Research Area(s): ,

Published: 2024 | By: Gautham Venkatasubramanian

This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024.

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Presumption of Innocence, Probable Cause, and Prior Probability—Bayes Meets Due Process

Type: Research Area(s):

Published: 2024 | By: Jeff Salyards

This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024.

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Toward Consistency in Latent Print Examiners’ Naming Conventions and Minutiae Frequency Estimations

Type: Research Area(s):

Published: 2024 | By: Adele Quigley-McBride

This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024.

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The Impact of Multi-Camera Smart Phones on Source Camera Identification

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Published: 2024 | By: Stephanie Reinders

An investigator has a questioned image from an unknown source and wants to determine whether it came from a camera on a person of interest’s smartphone. This scenario is referred to as source camera identification. Researchers discovered that slight imperfections…

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Demonstrative Evidence and the Use of Algorithms in Jury Trials

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Published: 2024 | By: Rachel Rogers

We investigate how the use of bullet comparison algorithms and demonstrative evidence may affect juror perceptions of reliability, credibility, and understanding of expert witnesses and presented evidence. The use of statistical methods in forensic science is motivated by a lack…

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ShoeCase: A data set of mock crime scene footwear impressions

Type: Research Area(s):

Published: 2023 | By: Abigail Tibben

This project’s main objective is to create an open-source database containing a sizeable number of high-quality images of shoe impressions. The Center for Statistics and Applications in Forensic Evidence (CSAFE) team collected images that represented those found at crime scenes…

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Combining reproducibility and repeatability studies with applications in forensic science

Type: Research Area(s):

Published: 2023 | By: Hina Arora

Studying the repeatability and reproducibility of decisions made during forensic examinations is important in order to better understand variation in decisions and establish confidence in procedures. For disciplines that rely on comparisons made by trained examiners such as for latent…

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