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In 2022-2023 the Defence Science and Technology Laboratory (Dstl) designed and conducted a two-part fingerprint Collaborative Exercise (CE). The CE focussed on fingermarks contaminated in blood as they provide a complex scenario for forensic units and it involved both fingermark visualisation and comparison elements. Participants were requested to treat the exercise as a major crime submission following internal protocols and were invited to provide comments relating to how the marks were deposited (if appropriate).
View Article and Find Full Text PDFPreliminary Investigation of a Potential Optical Biosensor Using the Diamond™ Nucleic Acid Dye Applied to DNA and Friction Ridge Analysis from Fingerprint Traces.
Biosensors (Basel)
November 2024
Faculty of Law and Administration, University of Gdansk, ul. Jana Bażyńskiego 6, 80-309 Gdańsk, Poland.
Developments in science and technology lead to an increasing use of scientific evidence in litigation. Interdisciplinary research can improve current procedures and introduce new ones for the disclosure and examination of evidence. The dactyloscopic trace is used for personal identification by matching minutiae (the minimum required may vary by country) or for extracting DNA material from the trace under investigation.
View Article and Find Full Text PDFJack of all trades, master of one: domain-specific and domain-general contributions to perceptual expertise in visual comparison.
Cogn Res Princ Implic
October 2024
School of Psychology, University of New South Wales, Sydney, Australia.
Perceptual expertise is typically domain-specific and rarely generalises beyond an expert's domain of experience. Forensic feature-comparison examiners outperform the norm in domain-specific visual comparison, but emerging research suggests that they show advantages on other similar tasks outside their domain of expertise. For example, fingerprint examiners not only outperform novices in fingerprint comparison, but also in face comparison.
View Article and Find Full Text PDFThe effect of handedness and biological sex on fingermark ridge height and volume as examined by 3D imaging.
J Forensic Sci
January 2025
Henry C. Lee College of Criminal Justice and Forensic Science, Forensic Science Department, University of New Haven, West Haven, Connecticut, USA.
For decades, detectives and forensic scientists have relied on friction ridge skin comparisons to identify individuals in criminal investigations. This method involves examining (latent) fingermarks, typically captured as two-dimensional (2D) images, and comparing them with known inked impressions or scans. The comparisons focus on general patterns, the location and orientation of minutiae, and additional characteristics like scars or pores.
View Article and Find Full Text PDFA Comparative Evaluation Between Dermatoglyphics and Canine Relationship in Deciduous Dentition: An Analysis for Prediction.
Cureus
September 2024
Department of Forensic Odontology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND.
Objective: This study aimed to investigate the potential correlation between dermatoglyphic patterns and primary canine relationships in children aged three to six years. Dermatoglyphics, the study of ridge patterns on fingers, has been linked to various genetic and developmental conditions. Similarly, primary canine relationships provide insights into dental health and potential orthodontic needs.
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