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Updated: May 17, 2026
09:47
Spotting Cheetahs: Identifying Individuals by Their Footprints
Published on: May 1, 2016
The interpretation of shoeprint comparison class correspondences
Sheida Hancock1, Rian Morgan-Smith, John Buckleton
1ESR, Private Bag 92021, Auckland, New Zealand; University of Auckland, Private Bag 92019, Auckland, New Zealand.
Science & Justice : Journal of the Forensic Science Society
|October 17, 2012
Summary
Shoeprint analysis shows that even partial prints have significant evidential value. This study surveyed 500 shoeprints, finding most were unique, supporting pattern match reliability in forensic science.
Area of Science:
- Forensic Science
- Pattern Analysis
- Evidence Interpretation
Background:
- Forensic science interpretation, particularly shoeprint comparison, faces scrutiny following the 2009 National Academy of Science (NAS) report.
- Recent legal challenges have also highlighted difficulties in applying and understanding shoeprint comparison principles.
Purpose of the Study:
- To survey shoeprint pattern correspondences to inform interpretation principles.
- To discuss findings in the context of NAS report criticisms and legal rulings.
Main Methods:
- Collected 500 shoeprints from student volunteers in Auckland, New Zealand.
- Compared full outsoles and smaller portions of common patterns for correspondences.
- Analyzed the frequency of pattern matches, including for specific brands like Converse Chuck Taylor All Star.
Main Results:
- Of 500 impressions, 488 (97.6%) were unique.
- The most common brand, Converse Chuck Taylor All Star, showed the highest number of full pattern matches (3/500).
- Partial pattern matches were more frequent, with the Converse Chuck Taylor All Star showing 29/500 matches; no imitation brands matched authentic ones.
Conclusions:
- Shoeprint pattern analysis, even with partial prints, holds considerable evidential value.
- Findings support the reliability of pattern matching in forensic shoeprint comparisons.
- The study provides data relevant to ongoing debates on forensic science standards.
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