Fingerprint Patterns & Minutiae

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What is a dot in fingerprint analysis?

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A dot is a small, isolated ridge feature that appears as a single point in a fingerprint.

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What is a spur in fingerprint analysis?

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A spur is a ridge that bifurcates and then continues as a single ridge, resembling a small protrusion.

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What is a bifurcation in fingerprint analysis?

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A bifurcation is a point where a single ridge splits into two separate ridges.

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What is a bridge in fingerprint analysis?

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A bridge is a short ridge that connects two longer ridges.

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What is a patent print?

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A patent print is a visible fingerprint impression left at a crime scene, often made by fingers coated in a substance.

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What is a latent print?

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A latent print is an invisible fingerprint impression left at a crime scene, typically made by the natural oils and sweat on the skin.

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What are the three main types of fingerprint patterns?

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The three main types of fingerprint patterns are loops, whorls, and arches.

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What is a loop fingerprint pattern?

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A loop fingerprint pattern is characterized by ridges that enter from one side, loop around, and exit on the same side.

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What is a whorl fingerprint pattern?

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A whorl fingerprint pattern consists of circular or spiral ridges that form a complete circuit.

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What is an arch fingerprint pattern?

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An arch fingerprint pattern features ridges that rise in the center, creating a wave-like appearance.