Forensic Science Module Five – Flashcards
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Where can a bullet be marked with the investigator's initials?
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On the base
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Gunpowder residue is most likely to show up where on a shooter's hands?
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The thumb web
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What can be used to recover serial numbers?
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An etching reagent
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When a tool mark is found, what is done first?
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Taking a photograph of the mark
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If a gun is fired from 1 inch or less from the target, the lead pattern will be in which shape?
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A circle
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The barrel of a gun is also known as what?
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Bore
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If a gun is found in water, what should investigators do to transport it to the lab?
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Keep the gun in some of the same water
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To transport a bullet to the crime scene, it should be wrapped in what?
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Tissue paper
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Spiral grooves cut into the barrel of a gun in order to make a bullet spin as it is fired are known as what?
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Rifling
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What is used to make a cast of a tool mark?
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Silicone rubber
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Any wet clothing from a victim should be air dried before it is packaged.
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True
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IBIS was created for the Bureau of Alcohol, Tobacco, Firearms and Explosives in the United States.
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True
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Even when bullets of the same ammunition are fired from the same gun, the bullets are generally not a one hundred percent match for each other.
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True
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At a distance of more than three feet from gun to target, there will generally not be signs of gunpowder on the target.
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True
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A tool suspected of being used at a crime scene should be tried out in a tool mark to see if it fits.
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False
