After attending this presentation, attendees will better understand study design, 3D imaging, and persistence of bullet striations.
Attendees will also learn about new technologies for comparing bullets using 3D images of land impressions.
An Experiment to Explore Persistence of Bullet Striations

Conference/Workshop:
American Academy of Forensic Sciences Annual Scientific Meeting
American Academy of Forensic Sciences Annual Scientific Meeting
Published: 2019
Primary Author: Heike Hofmann
Secondary Authors: Alicia Carriquiry, Nicholas Lennie
Type: Presentation Slides
Research Area: Firearms and Toolmarks
Related Resources
Treatment of Inconclusive Results in Error Rates of Firearm Studies
This CSAFE webinar was held on February 10, 2021. Presenters: Heike Hofmann Professor and Kingland Faculty Fellow, Iowa State University Susan VanderPlas Research Assistant Professor, University of Nebraska, Lincoln Alicia…
CSAFE 2020 All Hands Meeting
The 2020 All Hands Meeting was held May 12 and 13, 2020 and served as the closing to the last 5 years of CSAFE research and focused on kicking off…
Comparison of three similarity scores for bullet LEA matching
Recent advances in microscopy have made it possible to collect 3D topographic data, enabling more precise virtual comparisons based on the collected 3D data as a supplement to traditional comparison…
A Robust Approach to Automatically Locating Grooves in 3D Bullet Land Scans
Land engraved areas (LEAs) provide evidence to address the same source–different source problem in forensic firearms examination. Collecting 3D images of bullet LEAs requires capturing portions of the neighboring groove…