Publication

Forensic Footwear: A Retrospective of the Development of the MANTIS Shoe Scanning System

July 10, 2025 / Conference Proceeding, Publication / Footwear, Implementation and Practice

There currently are no shoe-scanning devices developed in the United States that can operate in a real-world, variable-weather environment in real-time. Forensics-focused groups, including the NIJ, expressed the need for

Examiner consistency in perceptions of fingerprint minutia rarity

July 10, 2025 / Publication / Implementation and Practice, Latent Print

Friction ridge examiners (FREs) identify distinctive features (minutiae) in fingerprints and consider how rare these observed minutiae are in their decisions about both the value of a fingerprint and whether

Significance of image brightness levels for PRNU camera identification

July 10, 2025 / Publication / Digital, Forensic Statistics

A forensic investigator performing source identification on a questioned image from a crime aims to identify the unknown camera that acquired the image. On the camera sensor, minute spatial variations

Methodological problems in every black-box study of forensic firearm comparisons

July 3, 2025 / Publication / Firearms and Toolmarks, Forensic Statistics

Reviews conducted by the National Academy of Sciences (2009) and the President’s Council of Advisors on Science and Technology (2016) concluded that the field of forensic firearm comparisons has not

A Survey of Naming Conventions for Different Minutia Types in Friction Ridge Examination

July 3, 2025 / Publication / Latent Print

Latent print examiners (LPEs) consider the type and rarity of the features found within friction ridge impressions when determining the suitability of questioned impressions for comparison and when forming opinions

First impressions matter: Mundane obstacles to a forensic device for probabilistic reporting in fingerprint analysis

July 3, 2025 / Publication / Forensic Statistics, Latent Print

This article investigates why statistical reasoning has had little impact on the practice of friction ridge (or ‘fingerprint’) examination, despite both interest and some modest scientific progress toward this goal.

How signature complexity affects expert and lay ability to distinguish genuine, disguised and simulated signatures

July 3, 2025 / Publication / Handwriting

This study examined how variations in signature complexity affected the ability of forensic document examiners (FDEs) and laypeople to determine whether signatures are authentic or simulated (forged), as well as

A Dirichlet process model for directional-linear data with application to bloodstain pattern analysis

July 3, 2025 / Publication / Bloodstain, Forensic Statistics

Directional data require specialized models because of the non-Euclidean nature of their domain. When a directional variable is observed jointly with linear variables, modeling their dependence adds an additional layer

A Quantitative Approach for Forensic Footwear Quality Assessment using Machine and Deep Learning

June 12, 2025 / Publication / Footwear, Forensic Statistics

Forensic footwear impressions play a crucial role in criminal investigations, assisting in possible suspect identification. The quality of an impression collected from a crime scene directly impacts the forensic information

Density-based matching rule: Optimality, estimation, and application in forensic problems

June 12, 2025 / Publication / Forensic Statistics

We consider matching problems where the goal is to determine whether two observations randomly drawn from a population with multiple (sub)groups are from the same (sub)group. This is a key

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