alexa New forensic technique to identify individual fibers of cloth

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New forensic technique to identify individual fibers of cloth

White cotton fibers are so common and have so few visual distinguishing features that they are largely ignored by forensic scientists at crime scenes.


But most of today's fabrics have gone through various manufacturing and treatment processes for example, to make them stain resistant, waterproof, or iron-free-leaving unique organic chemicals on the surface of the fibers. So by analyzing the chemical signature on the surface of individual fibers, forensic scientists can, for instance, identify the origin of scraps of fabric evidence found in crime scenes. While these new results don't yet establish a bonafide technique for forensics,it does show great potential for analyzing fibers and the surfaces of other kinds of evidence collected at crime scenes.

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