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Concordance Criterion

Definition

The minimum degree of pattern agreement required before an examiner can report a positive identification. For lip prints, no consensus criterion exists, which is a core criticism of the technique's evidential reliability.

Related terms

Cheiloscopy
Study of lip prints (Greek cheilos, lip; skopein, to examine). The furrow system on human lips was first described by anthropologist R....
Latent Lip Print
A lip print deposited without lipstick or coloured product, invisible to the eye and requiring chemical or physical development before comparison. Composed...
Lip Print Persistence
The duration over which a deposited lip print remains retrievable from a surface. Affected by surface material, environmental conditions, handling of the...
Suzuki-Tsuchihashi Classification
The 1970 system that divides lip groove patterns into five main types (I, I', II, III, IV, V) based on groove direction,...
Vermilion Border
The reddened transition zone between the facial skin and the labial mucosa. It is covered by a thin, partly transparent mucosa that...

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