Types of Guns
Ballistic Impressions
Parts of the Gun
Crime Scene Collection
Random Trivia
100
Semi-auto handgun
100
The impressions left in the primers of the rounds above.
Firing pin
100
The labeled part of this weapon.
Trigger
100
The best material to package firearms collected at the crime scene.
Sturdy cardboard or wood boxes.
100
True or False: Exit wounds are larger than entrance wounds.
True
200
Revolver
200
The impressions left down the side of these bullets.
Rifling
200
The labeled part of this weapon.
Barrel
200
A fragile type of evidence that can be left when firing a gun.
200
The preferred amount of time that gun shot residue should be recovered from the crime scene to remain intact.
Three hours or less.
300
The arrangement of the barrel in this firearm can be described as?
Over/under
300
The impressions left near the firing pin; prevent casing recoil.
Breech marks
300
The labeled part of this weapon.
Hammer
300
Bullets recovered from a body must first be _____?
Air dried
300
The difference between a muzzleloader and a typical semi-auto handgun.
Ammunition is loaded down the barrel instead of in a clip.
400
This WW1 version of the M1908 gas powered semi-automatic rifle was invented in the early 1910s by whom?
Manuel Mondragon
400
The circled engraving.
Manufacturer mark
400
The labeled part of this weapon.
Muzzle
400
The reason a firearm should never be picked up with an object down the barrel.
Could disrupt or alter rifling patterns, making lab comparisons impossible.
400
Rifling is intended for what purpose?
To increase accuracy.
500
Muzzleloader/flintlock/musket
500
Scratches left on the sides of semi-automatic/automatic ammunition.
Ejector/extractor marks
500
The labeled part of this weapon.
Flint
500
The preferred amount of time to recover gunshot residue from the crime scene.
Within 3 hours.
500
The type of motion on the bullet created by rifling patterns in the barrel of the gun.
Gyroscopic/centripetal force.