Simply Forensic Reference Library

Individual Characteristics

Fingerprints, Firearms & Pattern Evidence

Definition. Features that may vary between objects within the same class because of wear, random manufacture, damage or use.

How the term is used

Their discriminatory value depends on clarity, stability, reproducibility and the validated interpretation method.

Forensic example

An irregular damaged edge leaves recurring features in test toolmarks.

Interpretation limitation

The term individual characteristic does not imply zero probability of coincidental similarity.

References and further reading

NIST OSAC forensic terminology. The explanation and example are original educational summaries; consult the cited material and current laboratory guidance for authoritative application.