Identification: Just the Sole of Impression Pattern Evidence

Identification: Just the Sole of Impression Pattern Evidence

← Back to Just Science Podcast

Original Release Date: February 4, 2019

In episode one of our Identification season, Just Science interviews Lesley Hammer, former president of the International Association for Identification and the current Chair of the Education Committee of the IAI. Listen along as she discusses pattern and impression evidence collection and the future of IAI.

This season of Just Science will focus on many of the different aspects of identification in forensic investigations. A majority of these interviews were recorded at the 2018 International Forensic Educational Conference in San Antonio, Texas. This conference, held by the International Association for Identification, represents a diverse and knowledgeable membership that meets annually to educate and share techniques, methods, and research into the various forensic science disciplines. In episode one of the Identification season,

This episode of Just Science is funded by the National Institute of Justice’s Forensic Technology Center of Excellence [Award 2016-MU-BX-K110].

Listen to or download the episode here:

Guest Biography

Lesley Hammer is a Forensic Scientist with experience in forensic casework, laboratory supervision and scientific instruction. She has performed analyses, reported and testified in latent print, footwear and tire track, controlled substance and crime scene disciplines and holds professional certifications in Forensic Footwear Examination, Criminalistics and Crime Scene Analysis. Ms. Hammer supervised a Forensic Physical Unit in an ASCLD accredited laboratory, has published articles, performed research and has provided training to technicians, officers and other forensic scientists in the United States and Canada.

The opinions, findings, and conclusions or recommendations expressed in this podcast episode are those of the presenter(s) and do not necessarily reflect those of the U.S. Department of Justice.

Contact us at with any questions and subscribe to our newsletter for notifications.

Related Content

FBI Laboratory Decision Analysis Studies in Pattern Evidence Examinations

← Back to Webinar Series Page This webinar originally occurred on March 19, 2024 Duration: 1 hour Overview From 2007 through the present, the FBI Laboratory has led a series of decision analysis “black-box” studies aimed at evaluating the accuracy,…

Physical Characteristics of Spatter Stains on Textiles

This webinar originally occurred on December 12, 2023Duration: 1 hour Overview Bloodstain pattern analysis (BPA) is a forensic technique for crime scene reconstruction, through analyzing bloodstains (e.g., size, shape, etc.) and their patterns (e.g., distribution, location, etc.) to recreate the…