Weapons

Question 1

What does ammunition comprise of? (4)

Answer 1

• Primer (initiate combustion)
• case
• projectile
• propellant ( gunpowder)

Question 2

Label the knife in picture 1.

Answer 2

See picture 2

Question 3

How does intermediate range GSW present?

Answer 3

• Stippling - unburned portions of gunpowder tattoo the skin

No smoke soiling

Question 4

Classify the GSW on picture 10 and explain why

Answer 4

Intermediate (stippling or tattooing ) entrance (circular, inverted skin, ring of abrasion )

Question 5

Label picture 11

Answer 5

See picture 12

Question 6

Classify picture 13 and justify why

Answer 6

Exit GSW: irregular, everted skin

Question 7

Label picture 14 of a bullet cartridge

Answer 7

A primer
B propellant
C bullet case
D bullet projectile

Question 8

Label picture 15

Answer 8

A: muzzle of firearm
B: smoke and soot
C: gas
D. projectile
E. Propellant

Question 9

Classify the wound in picture 16 and state why

Answer 9

Contact entrance wound; dark soot /blackening in wound, circular, visible muzzle impint/abrasion, singed skin

Question 10

Classify the wound in picture 17 and give reasons

Answer 10

Contact entrance wound; dark soot /blackening in wound, circular, visible muzzle impint/abrasion, singed skin and hair

Question 11

Name 2 types firearms, example of each and the difference between them

Answer 11

1. Smooth- bore: shotguns. Fire multiple spherical projectiles
2. Rifled: handguns, rifle. Fire a single projectile.

Question 12

What is internal ballistics?

Answer 12

Describes what happens to projectile in the firearm

Question 13

What is external ballistics?

Answer 13

Describes what happens to projectile on the way to the target

Question 14

What are terminal ballistics?

Answer 14

Describes what happens to projectile in the target. Also called wound ballistics

Question 15

What describes the internal dimension of barrel of gun?

Answer 15

Caliber/gauge

Question 16

What is the tapered constriction of gun barrel at muzzle end ? What kind of gun most commonly found?

Answer 16

Choking

Shotgun - increase explosive force and velocity of shot

Question 17

What is the term to describe the spiral grooves marked on bore of fire arm?

Answer 17

Rifling

Question 18

What term describes 2 bullets in body with a single entrance wound?

Answer 18

Tandem bullet

Question 19

Name 5 differences between entrance and exit gunshot wound

Answer 19

. Size entrance smaller than bullet except in contact vs larger
• edges inverted vs everted and torn
• abrasion and grease collar present vs absent
• bleeding less vs more
• tissues may be cherry red due to co vs no colour change
• shape circular or oval vs stellate
. Burning of hair/skin/smoke vs none