Model Perspective

Oct 5, 2026 · Fundamentals

How Detective Intuition Becomes Mathematics: Modeling Forensic Trace Evidence

The article uses the film 'Detective Traces' and its real-life prototype Cui Daozhi to explain how forensic trace examination — bite marks, fingernail fragments, fingerprints — is formalized into a mathematical model of feature measurement, random-match probability, error trade-offs, Bayesian updating, and experimental validation.