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Interpretation of Automotive Light Bulb Examination Results: An Intriguing Case
Article first published online: 12 DEC 2006
DOI: 10.1111/j.1556-4029.2006.00335.x
Additional Information
How to Cite
Stauffer, E. (2007), Interpretation of Automotive Light Bulb Examination Results: An Intriguing Case. Journal of Forensic Sciences, 52: 119–124. doi: 10.1111/j.1556-4029.2006.00335.x
Publication History
- Issue published online: 12 DEC 2006
- Article first published online: 12 DEC 2006
- Received 30 Oct. 2005; and in revised form 18 April 2006; accepted 19 Aug. 2006; published 10 Dec. 2006.
- Abstract
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- Cited By
Keywords:
- forensic sciences;
- criminalistics;
- light bulb;
- automotive accident;
- road accident reconstruction;
- filaments;
- scanning electron microscopy;
- tungsten oxide
ABSTRACT: During the examination of light bulbs from a vehicle involved in a road accident, the headlights did not reveal any evidence regarding whether they were energized or not. Additionally, a police officer turned the lights on after the accident to verify their functioning, thus damaging some of the evidence. By examining the vehicle, it was determined that the park lights could provide answers regarding the conditions of the headlights. After observations, it was concluded that the park lights and headlights were off at the time of the impact. This case report demonstrates how important it is to integrate the circumstances surrounding the case into the interpretation of the results. Nevertheless, it also demonstrates the necessity for examining both the vehicle and all light bulbs in order to reach the most pertinent and proper conclusion.