![]() This can take away from patrol duties on the street for many hours in order to accurately identify the individual, finish the investigation and complete the process. ![]() The process can take several hours if the individual does not have identification documents or are trying to conceal their identity. This can be extremely painful for families impacted by the crime and also disheartening for community members.Īdditionally, police officers in the field often must identify individuals they come in contact with. The process can take anywhere from two weeks to months depending on the circumstances surrounding the case. Analysts classify fingerprints into three categories according to the type of surface on which they are found and whether they are visible or not: Fingerprints on soft surfaces (such as soap, wax, wet paint, fresh caulk, etc.) are likely to be three-dimensional plastic prints those on hard surfaces are either patent (visible) or latent (invisible) prints. Once evidence is collected, the fingerprints are then analyzed using a computerized system which searches various local, state, and national fingerprint databases for a potential match. Fingerprints can be found on practically any solid surface, including the human body. In crime scene investigations, law enforcement professionals are often tasked with collecting fingerprints that might be left behind by the perpetrator. Challenges with traditional fingerprinting Fingerprint identification also helps investigators track a criminal’s record, their previous arrests, and convictions, to aid in sentencing, probation, parole, and pardoning decisions. Fingerprints help investigators link one crime scene to another involving the same person. This makes biometrics extremely important to law enforcement agencies, who can use them reliably as part of background checks, criminal investigations, and mass disaster identification.įingerprint recognition has been a crucial modality to law enforcement agencies for centuries and remains a valuable tool in crime solving today. No two individuals, not even identical twins, have the exact same identifiers – be it fingerprints, irises, voice scans or faceprints. Biometrics are among the strongest identification methods available due to their uniqueness.
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