page 1 firearm injuries robert bojčić mentor: a. Žmegač horvat
TRANSCRIPT
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FIREARM INJURIESRobert BojčićMentor: A. Žmegač Horvat
Definition
Firearm - instrument which discharges a missile by expnsive force of gases produced by burning of an explosive substance
Forensic ballistics
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2 basic types
Shotguns - barrel has a smooth internal surface
Rifled weapons – barrel is a spiral groove
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Mechanics of bullet wound production
Bullet velocity (kinetic energy)
Tissue density – greater density, higher amount of energy discharged
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Shotgun vs rifle
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Distance
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Entrance and exit wounds
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Shotgun and rifle wounds
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Diference between entrance and exit wound
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Suicide or murder?
Suicide
- wound from short distance
- sites of election: mouth, front of the neck, forehead, frond of the chest
- almost never: eye, back
- weapon present Murder
- multiple firearm wounds
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