Modern Approaches for the Examination of Toolmarks and Other Surface Marks.
Numerous techniques have been developed over the years in the examination of toolmarks and footwear impression. Recent development in the following aspects are described: shoemark enhancement techniques, new casting materials, comparison scanning electron microscopy, computerized identification of striations, and recovery of erased numbers in new metallic and polymeric materials. Furthermore, quality assurances and the duties of toolmark examiners are examine.
Kriminaltechnisches Institut, Wiesbaden, Germany.
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Erased numbers; comparison techniques; computerized collections; image processing; probability theory; quality assurance