Lifting techniques for finger marks on human skin previous enhancement by Swedish Black powder--a preliminary study

Science & Justice : Journal of the Forensic Science Society
Matej Trapecar

Abstract

An examination was done to investigate whether certain lifting techniques can lift recovered latent fingerprints on human skin surfaces of living subjects. For recovery Swedish Soot powder mixture (Swedish Black) was used. Donors intentionally placed fingerprints on the skin surface of living subjects. Finger marks were then in all cases recovered with Swedish Black powder. The procedure was repeated after 1 h and 4 h. Treated finger marks were secured and preserved as latent fingerprint evidence by different lifting processes. Having examined skin surfaces and finger marks we observed that the lifters such as white instant lifter, white fingerprint gelatin, black fingerprint gelatin, silicone, transparent adhesive tape, are suitable. Moreover, white fingerprint gelatin and white instant lifter proved to be very good at lifting treated finger marks. Black fingerprint gelatin was very good also, but finger marks were examined by slant light.

References

Jul 28, 2001·Forensic Science International : Synergy·G S Sodhi, J Kaur

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Citations

Aug 14, 2013·Science & Justice : Journal of the Forensic Science Society·Ana CastellóFernando Verdú
May 3, 2011·Analytical Chemistry·T A BrettellJ R Almirall

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