Science & Justice
Volume 49, Issue 1 , Pages 8-11, March 2009

Dynamics of latent fingerprints: The effect of physical factors on quality of ninhydrin developed prints — A preliminary study

  • Om Prakash Jasuja

      Affiliations

    • Department of Forensic Science, Punajbi University, Patiala, India
    • Corresponding Author InformationCorresponding author. Department of Forensic Science, Punjabi University, Patiala-147 002, India. Tel.: +91 175 3046271, +91 94 174 46805 (moblie); fax: +91 175 2286682 and 2283073.
    • ,
  • M.A. Toofany

      Affiliations

    • Department of Forensic Science, Punajbi University, Patiala, India
    • ,
  • Gagandeep Singh

      Affiliations

    • Department of Forensic Science, Punajbi University, Patiala, India
    • ,
  • G.S. Sodhi

      Affiliations

    • Department of Chemistry, Khalsa College, University of Delhi, Delhi, India

Received 22 May 2008; received in revised form 12 August 2008; accepted 14 August 2008. published online 09 October 2008.

Abstract 

The conditions under which latent fingerprints are deposited affect the process of development that can be used to effectively recover these marks. The conditions which can play a part include environmental conditions, the type of surface on which latents are deposited, the ability of the donor to deposit fingerprints, contact time, force of contact with the object etc. Very little previous work is available in the scientific literature addressing these conditions and therefore, an attempt has been made in this present study to assess the effect of some of these criteria and their effect on the ability of ninhydrin to develop the marks. Latent fingerprints from good and bad donors were obtained on paper with variable pressure under controlled conditions. Laboratory prepared 1% ninhydrin solution was used to visualise the prints.

Keywords: Latent fingerprints, Ninhydrin, Physical factors

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PII: S1355-0306(08)00104-4

doi:10.1016/j.scijus.2008.08.001

Science & Justice
Volume 49, Issue 1 , Pages 8-11, March 2009

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