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05.06 Module 5 Exam (100%)

Terms in this set (15)

True or False. Bullets have only class characteristics, not individual characteristics.
False
True or False. To test whether a certain firearm shot a certain bullet, investigators would fire more bullets from the suspect gun.
True
True or False. Even when bullets of the same ammunition are fired from the same gun, the bullets are generally not a 100 percent match for each other.
True
True or False. Once serial numbers are ground off, there is no way to recover them.
False
Investigator Powell is missing her normal equipment but needs to transport a bullet from the crime scene. What everyday item could Investigator Powell use to correctly wrap the bullet?
Decorative tissue from a Christmas supply box
FBI Investigator Vaughan has found bullet cases on the scene of a crime and suspects they came from a gun used in another crime. What resource could she use to check for other crimes linked to these cases?
NIBIN
What information can investigators learn from collecting the victim's clothing after a shooting?
The distance between the shooter and the victim
Spiral grooves cut into the barrel of a gun in order to make a bullet spin as it is fired are known as
rifling
Investigator Reed has secured a bullet that was used in a recent bank robbery and wants to know if there's a link to other recent robberies in the area. The best database to check would be
IBIS
Which of these is not an example of firearm identification?
Determining that the victim has a conceal and carry permit
A young woman was found with a gunshot wound to the forehead. Investigator Barnes finds a large amount of gunpowder residue around the wound. What does this tell the investigator?
The shooter fired the gun close to her forehead.
Where is gunpowder residue most likely to show up on a shooter's hands?
The thumb web
Which of the items is not likely to show an identifiable tool mark?
A lug wrench sold at several auto shops
What tool would investigators use to recover a serial number that has been ground off?
An etching agent
True or False. At close firing distances, gasses from a gun's muzzle can produce a star-shaped pattern around a bullet hole.
True
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