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Automated particle analysis of D.B. Cooper's tie
Thomas G Kaye1, Kent L Rhodes2
1Foundation for Scientific Advancement, Sierra Vista, Arizona, USA.
Journal of Forensic Sciences
|May 29, 2026
Summary
Forensic analysis of D.B. Cooper's tie revealed unique particles like titanium-antimony and gold-palladium. These findings offer new insights into the hijacker's potential associations and activities.
Area of Science:
- Forensic Science
- Materials Science
- Analytical Chemistry
Background:
- Automated particle analysis (APA) using scanning electron microscopy (SEM) and energy-dispersive X-ray spectrometry (EDS) is a standard forensic technique, particularly for gunshot residue.
- The D.B. Cooper hijacking case remains unsolved, with limited physical evidence recovered from the scene.
