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| A system of identification of individuals by meansurement of parts of the body, developed by Alphonse Bertillon. |
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| A class of fingerprints characterized by ridge lines that enter the print from one side and flow out the other side. |
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| A process through which a picture is converted into a series of square electronic dots known as pixels. |
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| To emit visible light when exposed to light of a shorter wavelength. |
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| A technique for visualizing latent fingerprints by exposing them to iodine vapors. |
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| A fingerprint made by oils and/or perspiration; invisible to the naked eye. |
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| An inkless device that captures digital images of fingerprints and palm prints and electronically transmits them to an AFIS. |
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| A class of fingerprints characterized by ridge lines that enter from one side of the pattern and curve around to exit from the same side of the pattern. |
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| A chemical reagent used to develop latent fingerprints on porous materials by reacting with amino acids in perspiration. |
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| A silver nitrate-based reagent formulated to develop latent fingerprints on porous surfaces. |
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| A square electronic dot that is used to compose a digital image. |
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| A fingerprint impressed in a soft surface. |
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| A verbal description of a perpetrator's physical characteristics and dress provided by an eyewitness. |
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| Ridge Characteristics (minutiae) |
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| Ridge endings, bifurcations, enclosures, and other ridge details; must match in two fingerprints to establish common origin. |
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| A physical change from the solid directly into the gaseous state. |
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| A technique for visualizing latent fingerprints on nonporous surfaces by exposing them to cyanoacrylate vapors. |
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| A fingerprint made when the finger deposits a visible material such as ink, dirt, or blood onto a surface. |
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| A class of fingerprints that includes ridge patterns that are generally rounded or circular and have two deltas. |
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