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Abstract
At the present time fingerprints are one of the simplest, and most reliable means
of identification. Increasingly, crime scene investigators look for palm, foot, ear
or lip prints. With regard to lip prints, the use, very common today, of protective
or permanent lipsticks allow the production an invisible lipmark (or invisible lipstick-contaminated
lipmark) which is possible to develop. Some results have already been published about
developers useful for different kinds of surfaces (both porous and non-porous) as
well as those which are more efficient in case of old or recent prints. The latest
studies are about the developing on human skin, and they prove the usefulness of lysochromes
(specifically Sudan Black) for the develop of recent invisible lipstick-contaminated
lipmarks on corpse skin. This study attempts to determine the efficiency of fluorescent
reagents to develop invisible lipstick-contaminated lipmark on human skin. Results
show that REDescent Fluorescent Latent Prints Powder is effective for obtaining recent
invisible lipstick-contaminated lip mark on the skin of deceased.