A new technique for visualization of latent fingerprints on various surfaces using powder from turmeric: A rhizomatous herbaceous plant (Curcuma longa)

Abstract

Various methods have been reported for the development of latent fingerprints on different surfaces in the literature. This paper presents a new powdering method which is simple, non-toxic for the development of latent fingerprints that can be employed on different substrates. In this investigation a less expensive, simple and easily available, turmeric powder, a common ingredient in Indian food, has been used to decipher the latent fingerprints on nine different substrates. It is found that it gives very clear results in majority of the surfaces.

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