Friction ridge skin covers the epidermal surface of the fingers, palms, toes, and soles of the feet. This specially adapted skin has long attracted the attention of many cultures and has a variety of forensic applications in modern contexts. Friction ridge examination has played an important part in modern criminal investigations, biometrics, and legal proceedings. Research continues to expand the boundaries of forensic uses of friction ridge skin and their impressions. A growing body of research has begun to provide a better understanding of the strengths and limitations present in friction ridge examinations.
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