| bore | The diameter of a gun barrel's interior between its opposing high sides (the lands).
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| caliber | The diameter of a bullet; somewhat larger than the bore of the weapon from which the bullet is fired.
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| class characteristics | Characteristics of physical evidence that are common to a group of objects or persons.
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| CrimeShoe | The commission of any act that is prohibited, or the omission of any act that is required by the penal code of an organized political state.
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| dental stone | The preferred material for casting tire, footwear, and foot impressions; stronger and faster setting than plaster of paris and provides more detailed impressions.
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| document | Anything on which a mark is made for the purpose of transmitting a message.
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| fingerprint | Replicas of the friction ridges (on palms, fingers, toes, and soles of the feet) that touched the surfaces on which the prints are found.
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| fingerprint patterns | Patterns formed by the ridge detail of fingerprints; primarily loops, whorls, and arches.
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| fluorescent powder | Powders, dusted on areas being examined, that chemically enhance latent prints viewed under UV, laser, or alternative light illumination.
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| forensic odontology | A specialty that relates dental evidence to investigation.
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| fracture match | The alignment of the edges of two items of evidence, thereby showing that both items were previously joined together.
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| grooves | In a firearm's rifled bore, the low cuts that separate the higher lands.
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| Hemident | A reagent used in preliminary or presumptive field tests to check for the presence of blood.
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