Cooper_Assignment2

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Jan 9, 2024

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Assignment 2: Fingerprint Matching Zachary Cooper Biometrics: ISSC325 Doctor Harry Cooper June 18, 2023
2 Assignment 2 A different fingerprint was used due to quality. Above is a random example of fingerprint found on the internet with the suggested settings. The estimated Minutiae/Points/Markers were between 25 and 60 but the quality of this print, which may altered or fake, has many more identifiable features.
3 Assignment 2 Above is a screenshot of the print at the crime scene (left) and the match found in the sample pile (right). The matching print belongs to Justin Adams. Most prints were ruled out through simple comparison by the naked eye. The other two that were possible matches were Kendrick Jones and Yousef Kaliff. The prints were initially compared using the center of the prints, or the swirl pattern. Once the three were chosen to be the closest matches, each was placed in FpMV. Justin Adams had the same number of hits and the data matched up exactly with the print at the crime scene when going through the information on the bottom. Are fingerprints a valid choice of identifying an individual or is there too much ambiguity in fingerprint matching? Fingerprints are unique to individuals and no two people have matching prints. This would make it seem that it is a fool proof way of positively identifying an individual and tying
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4 Assignment 2 them to an action or crime. However, the Woolf Law Firm states that fingerprint identification is not entirely reliable. The justification behind this claim comes from the lack of factors to assist with identification. Woolf Law Firm attests that without other factors involved, fingerprinting is not a reliable source as the sole source. Additionally, a study found that professionals were not accurate in identifying and matching fingerprints every time. In the study, there was 0.1% false positive rate and a 7.5% false negative rate (Ulery, 2011). Though these rates are low, they are of concern. When dealing with someone’s life and a potential life sentence or justice for the death of a loved one, we want to be 100% certain the right person is taking the blame. All in all, fingerprint matching is very valuable and still necessary for identifying individuals. To best utilize the skill and process, fingerprinting should be used in conjunction with other techniques of identifying individuals. Other techniques may involve witnesses, alibis, and other forms of DNA.
5 Assignment 2 References Woolf Law Firm. (2021). How Reliable Is Fingerprint Evidence in Criminal Cases? https://www.connecticutcriminallawyer.com/personal-injury-attorney-blog/how-reliable- is-fingerprint-evidence-in-criminal-cases#:~:text=Even%20though%20fingerprints %20are%20commonly,may%20result%20in%20wrongful%20convictions. Ulery, B; Hicklin, R; Buscaglia, J, Roberts, M. (2011). Accuracy and reliability of forensic latent fingerprint decisions. doi: 10.1073/pnas.1018707108

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