Question

this is in response to my forensic fingerprinting class. pick one of the chemical development process and describe the process and what type of evidence you can use it on. (pease explain in your words)​

Answer 1

Answer:

In general, there are four classes of fingerprint powders-regular, luminescent, metallic and thermoplastic. In the past, powder dusting, ninhydrin dipping, iodine fuming and silver nitrate soaking were the most commonly used techniques for latent print development.

Explanation:

Where Fingerprints May be Found:-

Fingerprints can be found on practically any solid surface, including the human body. Analysts classify fingerprints into three categories according to the type of surface on which they are found and whether they are visible or not: Fingerprints on soft surfaces (such as soap, wax, wet paint, fresh caulk, etc.) are likely to be three-dimensional plastic prints; those on hard surfaces are either patent (visible) or latent (invisible) prints. Visible prints are formed when blood, dirt, ink, paint, etc., is transferred from a finger or thumb to a surface. Patent prints can be found on a wide variety of surfaces: smooth or rough, porous (such as paper, cloth or wood) or nonporous (such as metal, glass or plastic).

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