The effect of common fingerprint detection techniques on the DNA typing of fingerprints deposited on different surfaces

Intentional Association for Identification
Publication Type:
Journal Article
Journal of Forensic Identification, 2004, 54 (1), pp. 22 - 44
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DNA and fingerprints are two of the most important forms of evidence in terms o their ability to individualize person. This study investigated the effect of common fingerprint detection techniques of the recovery of DNA from fingerprints.It was found that the recovery of DNA is possible after fingerprint development using certain techniques, and that the recovery is more dependent on the surface type rather than the enhancement technique used. Fingerprints placed on plastic bags, glass microscope slides, and adhesive tape returned DNA profiles before and after treatment, which consisted of while light, UV, dactyloscopic powders, Stickyside Powder, and cyanoacrylate plus rhodamine 6G stain or VMD treatment.The profiles that were obtained from these surfaces were often found to contain contamination peaks, and at this stage, trace DNA analysis of this type may be more useful as an intelligence tool, rather than being relied upon in court for identification purposes. No DNA profiles were obatined from treated or untreated prints on paper an aluminium foil substrates.
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