How a Patterned Abrasion Can Inform a Surface Comparison
A surface can leave a recognizable pattern on the skin. Saukko and Knight give the example of contact with ribbed ceramic tile. The pattern can help an examiner evaluate a proposed contact surface.
A useful comparison describes which parts of the pattern correspond and which are unclear. A photograph with a scale can help document the spacing and shape. Similarity supports a comparison, while the rest of the evidence helps establish the circumstances.
Saukko and Knight, Knight’s Forensic Pathology, 3rd ed. (2004), p. 143
