Fingerprints are used to identify an unknown victim, a suspect or a witness to confirm documents and, most importantly, as relationships between a suspect and a crime (6). Even if you have no initial suspects, fingerprints can create leads and sometimes provide clues to the criminal's occupation, gender, and size (6). Forensic scientists have used fingerprints for identification for centuries. Fingerprint identification is one of the most important identification factors in criminal investigations for a reason: their uniqueness (8). A person's fingerprints could not change over time. Permanent scarring is the only way a fingerprint can change. Furthermore, fingerprints are different for each person; they could be used simply to access a phone or to reopen a cold
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