The development of latent fingerprints on polymer banknotes

Naomi Jones, M Kelly, Milutin Stoilovic, Chris Lennard, Claude Roux

    Research output: Contribution to journalArticle

    27 Citations (Scopus)

    Abstract

    Polymer (plastic) banknotes have completely replaced traditional paper banknotes in Australia and New Zealand. They are also used in many other countries to varying extents. These banknotes, especially older ones and ones with aged prints, present challenges for latent fingerprint development. A preliminary study examined the effectiveness of a wide range of development techniques but none of the routine detection techniques employed were able to develop prints older than 7 days. In the present study, further research was conducted to optimize a particular development sequence. Australian polymer banknote samples were obtained from the Reserve Bank of Australia. Visual examination of the degree of wear of the printed inks was used to classify the banknotes into five wear categories. Category 1 notes were those with the least wear and category 5 notes were those notes with the most wear. The vacuum metal deposition (VMD) unit used in this research was designed and manufactured specifically for latent fingerprint development. Results show that the recommended procedure for the development of latent prints on polymer banknotes incorporates a particular sequence. The sequence involves optical examination, immediate treatment with cyanoacrylate fuming, examination of the banknote, treatment by VMD, examination and recording of developed prints using diffused reflected light, further treatment by VMD (gold and zinc), luminescent staining, and examination and recording of developed prints. The success of the procedure is affected by the wear of the individual notes. The more worn a note is the less likely good quality prints will be developed
    Original languageEnglish
    Pages (from-to)50-77
    Number of pages28
    JournalJournal of Forensic Identification
    Volume53
    Issue number1
    Publication statusPublished - 2003

    Fingerprint

    Dermatoglyphics
    Vacuum
    Polymers
    Metals
    Cyanoacrylates
    Ink
    New Zealand
    Research
    Gold
    Plastics
    Zinc
    Staining and Labeling
    Light

    Cite this

    Jones, N., Kelly, M., Stoilovic, M., Lennard, C., & Roux, C. (2003). The development of latent fingerprints on polymer banknotes. Journal of Forensic Identification, 53(1), 50-77.
    Jones, Naomi ; Kelly, M ; Stoilovic, Milutin ; Lennard, Chris ; Roux, Claude. / The development of latent fingerprints on polymer banknotes. In: Journal of Forensic Identification. 2003 ; Vol. 53, No. 1. pp. 50-77.
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    title = "The development of latent fingerprints on polymer banknotes",
    abstract = "Polymer (plastic) banknotes have completely replaced traditional paper banknotes in Australia and New Zealand. They are also used in many other countries to varying extents. These banknotes, especially older ones and ones with aged prints, present challenges for latent fingerprint development. A preliminary study examined the effectiveness of a wide range of development techniques but none of the routine detection techniques employed were able to develop prints older than 7 days. In the present study, further research was conducted to optimize a particular development sequence. Australian polymer banknote samples were obtained from the Reserve Bank of Australia. Visual examination of the degree of wear of the printed inks was used to classify the banknotes into five wear categories. Category 1 notes were those with the least wear and category 5 notes were those notes with the most wear. The vacuum metal deposition (VMD) unit used in this research was designed and manufactured specifically for latent fingerprint development. Results show that the recommended procedure for the development of latent prints on polymer banknotes incorporates a particular sequence. The sequence involves optical examination, immediate treatment with cyanoacrylate fuming, examination of the banknote, treatment by VMD, examination and recording of developed prints using diffused reflected light, further treatment by VMD (gold and zinc), luminescent staining, and examination and recording of developed prints. The success of the procedure is affected by the wear of the individual notes. The more worn a note is the less likely good quality prints will be developed",
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    Jones, N, Kelly, M, Stoilovic, M, Lennard, C & Roux, C 2003, 'The development of latent fingerprints on polymer banknotes', Journal of Forensic Identification, vol. 53, no. 1, pp. 50-77.

    The development of latent fingerprints on polymer banknotes. / Jones, Naomi; Kelly, M; Stoilovic, Milutin; Lennard, Chris; Roux, Claude.

    In: Journal of Forensic Identification, Vol. 53, No. 1, 2003, p. 50-77.

    Research output: Contribution to journalArticle

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    N2 - Polymer (plastic) banknotes have completely replaced traditional paper banknotes in Australia and New Zealand. They are also used in many other countries to varying extents. These banknotes, especially older ones and ones with aged prints, present challenges for latent fingerprint development. A preliminary study examined the effectiveness of a wide range of development techniques but none of the routine detection techniques employed were able to develop prints older than 7 days. In the present study, further research was conducted to optimize a particular development sequence. Australian polymer banknote samples were obtained from the Reserve Bank of Australia. Visual examination of the degree of wear of the printed inks was used to classify the banknotes into five wear categories. Category 1 notes were those with the least wear and category 5 notes were those notes with the most wear. The vacuum metal deposition (VMD) unit used in this research was designed and manufactured specifically for latent fingerprint development. Results show that the recommended procedure for the development of latent prints on polymer banknotes incorporates a particular sequence. The sequence involves optical examination, immediate treatment with cyanoacrylate fuming, examination of the banknote, treatment by VMD, examination and recording of developed prints using diffused reflected light, further treatment by VMD (gold and zinc), luminescent staining, and examination and recording of developed prints. The success of the procedure is affected by the wear of the individual notes. The more worn a note is the less likely good quality prints will be developed

    AB - Polymer (plastic) banknotes have completely replaced traditional paper banknotes in Australia and New Zealand. They are also used in many other countries to varying extents. These banknotes, especially older ones and ones with aged prints, present challenges for latent fingerprint development. A preliminary study examined the effectiveness of a wide range of development techniques but none of the routine detection techniques employed were able to develop prints older than 7 days. In the present study, further research was conducted to optimize a particular development sequence. Australian polymer banknote samples were obtained from the Reserve Bank of Australia. Visual examination of the degree of wear of the printed inks was used to classify the banknotes into five wear categories. Category 1 notes were those with the least wear and category 5 notes were those notes with the most wear. The vacuum metal deposition (VMD) unit used in this research was designed and manufactured specifically for latent fingerprint development. Results show that the recommended procedure for the development of latent prints on polymer banknotes incorporates a particular sequence. The sequence involves optical examination, immediate treatment with cyanoacrylate fuming, examination of the banknote, treatment by VMD, examination and recording of developed prints using diffused reflected light, further treatment by VMD (gold and zinc), luminescent staining, and examination and recording of developed prints. The success of the procedure is affected by the wear of the individual notes. The more worn a note is the less likely good quality prints will be developed

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    Jones N, Kelly M, Stoilovic M, Lennard C, Roux C. The development of latent fingerprints on polymer banknotes. Journal of Forensic Identification. 2003;53(1):50-77.