Criminalistics Study Set 1

Criminal Justice

Quiz 9 :

Firearms, Tool Marks, and Other Impressions

Quiz 9 :

Firearms, Tool Marks, and Other Impressions

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When a gun is recovered from an underwater location, it should be:
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A

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Shoe and tire marks impressed into soft earth can be best preserved by:
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A

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The reason grooves are rifled into the bore of a gun is so that a:
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A

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To prevent the disturbance of latent fingerprints on a firearm, the weapon should be lifted by:
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Distinctive markings of shells and cartridges can be made by the:
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Two-dimensional imprints found at a crime scene can be lifted using:
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What is NIBIN?
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Generally speaking, the amount of gunpowder particles found around a bullet hole is ________ to the distance from which the weapon was fired.
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The comparison of two bullets is possible with the comparison microscope. Such a study is made difficult by the fact that:
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When an etching agent is applied to a metal surface in order to restore a removed serial number, the stamped area will dissolve at ________ the unstamped area.
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Generally, the gauge of a shotgun is ________ to the diameter of its barrel.
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Which technique of detecting gunshot residue holds the most promise for the immediate future?
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The likelihood of detecting gunshot residue on swabs taken from living subjects more than six hours after a firing has occurred is ________ the likelihood of detecting gunshot residue within two hours of a firing.
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Which is NOT a class characteristic of a suspect's sneaker?
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Tools and tool marks are often found at burglary scenes and can be useful evidence. Proper evidence collection by the field investigator would include:
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The "dermal nitrate test" has fallen into disfavor because of its lack of specificity. Which of the following common materials does NOT give a misleading positive reaction to this test?
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The barrel of a shotgun:
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Discharged evidence bullets must be carefully handled to avoid damage to the:
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Gunpowder residue patterns can be detected by:
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Chokes are sometimes found on shotguns where they function to constrict the end of the barrel. The speed and distance traveled by pellets fired from a narrow choke is ________ the speed and distance traveled by pellets fired from a shotgun with a wide choke.
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