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Homicidal manual strangulation and multiple stun-gun injuries
1Department of Forensic Medicine, Yamagata University School of Medicine, Japan.
The American Journal of Forensic Medicine and Pathology
|December 1, 1992
Summary
This study examined stun gun injuries in a homicide victim. Experiments on pigs revealed that post-mortem shocks do not mark skin, indicating all victim injuries occurred pre-mortem.
Area of Science:
- Forensic Pathology
- Electrical Injury Mechanisms
Background:
- Stun guns are electroshock weapons used by law enforcement and sometimes as offensive weapons.
- A case involved a 22-year-old woman with numerous stun gun injuries alongside strangulation marks.
Observation:
- The victim presented with multiple pairs of round erythemas, some with central paleness and abrasions.
- Stun gun injuries were distributed across her head, chest, abdomen, arms, and legs.
Findings:
- Experiments on pigs demonstrated that electrical shocks administered post-mortem do not create visible skin marks.
- The observed injuries on the victim were consistent with pre-mortem application of the stun gun.
Implications:
- This research provides critical evidence for differentiating pre-mortem from post-mortem stun gun application in forensic investigations.
- Establishes a scientific basis for determining the timing of electrical injuries in legal and medical contexts.
