Comparison Study on Fingerprint Identification Performed by Trained Students and Fingerprint Examiners
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Abstract
Fingerprints have provided a valued technique of personal identification in forensic Science for more than a century. This article presents a study which deals with the proficiency level of latent print patterns identification. Five qualified practicing fingerprint experts from Police Forensic Science Center in Nakorn Pathom participated in the study along with 300 forensic science trained students from Central Police Training Division, Saraburi. In this experiment, the study presented 305 participants with 10 multiple-choice questions and were asked to select a matching the latent fingerprint for each question. Then, five trained students who received the full scores were randomly selected together with the five experts to spot the special features of selected latent fingerprints with a range of attributes and quality encountered in forensic casework. Ten latent print examiners each compared approximately 8 latent prints and exemplar fingerprints from a pool of 50 prints. It was found that the latent fingerprint experts matched all the fingerprints correctly (100%). While, the trained students who got the highest answer in fingerprint matching were able to match only 5 latent prints (62.5%). The experts performed significantly better than the trained students regardless of the length of experience held by the expert. The results from this experiment presented that qualified, court-practicing fingerprint experts are exceedingly accurate compared with trainees.
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