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Known Sample

Definition

A reference specimen whose source is established and documented. In a comparison, the known provides the target against which the questioned item is measured.

Related terms

Class Characteristics
Features deliberately or systematically imparted to a group of items by design or manufacture, such as the calibre of a bullet, the...
Individual Characteristics
Surface features on a fired bullet or cartridge case that arise from random or unique events (tool wear, corrosion, service damage) and...
Individuality
The claim that no two persons share an identical friction ridge configuration at any corresponding digit. Supported empirically by the absence of...
Individualization
The forensic claim that a friction-ridge mark was made by one specific person to the exclusion of all others; the categorical form...
Questioned Item
The evidence item recovered from the scene or from an individual, whose source is unknown and which the examiner is trying to...

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