1. Dr Ajee Kuruvilla Assoc Prof Forensic Medicine
Wound Ballistics
Dr Ajee Kuruvilla
Assoc Prof
Forensic Medicine

2. A Fired Projectile is accompanied by
Flame
Hot gases under pressure
Soot
Burnt particles
Unburnt particles
Metallic particles

3. A Fired Projectile is accompanied by
Flame- singeing
Burnt particles- soot, blackening
Unburnt particles- tattooing
Bullet’s initial attempt of perforating skin- Abraded collar
Contusion from bullet entering- contusion collar
Dirt/ grease of bullet- dirt/ grease collar

6. REVOLVER/ PISTOL
Muzzle Velocity m/sec (revolver) m/sec (pistol)
Range m
Extension of flame inches ( cm)
Extension of smoke - 12 inches (30 cm)
Extension of unburnt
powder Particles inches (60 cm)

7. RIFLE Muzzle Velocity - 450 - 1500 m/sec Range - 1000 - 3000 m
Extension of flame – 8 inches (15-20cm)
Extension of smoke inches (30-45 cm)
Extension of unburnt
powder Particles inches ( cm)

8. SHOT GUN Muzzle Velocity - 350 - 400 m/sec Range - 300 - 400 m
Extension of flame – 8 inches (15-20cm)
Extension of smoke inches (30-45 cm)
Extension of unburnt
powder Particles inches ( cm)

9. RIFLED FIRE ARM INJURIES
Contact Shot: on contact
Close Range: within range of flame & soot - few inches from the muzzle
Near range: within the range of smoke & unburnt powder -1-3 feet
Distant shot: > 3 feet

10. FIRE ARM INJURIES INJURIES PRODUCED BY RIFLED FIREARMS
INJURIES PRODUCED BY SMOOTH BORED FIREARMS (SHOT GUN)

11. Rifled weapon-Contact Shot (entry wound)

12. Rifled weapon-Contact Shot