Just as in fingerprints, the minute details in each and every tire and article of footwear can be used to identify an unknown crime scene impression to a known article of footwear or a tire.įootwear Forensics: New Techniques to Analzye Footwear TreadsĪ new computer algorithm can analyze the footwear marks left at a crime scene according to clusters of footwear types, makes and tread patterns even if the imprint recorded by crime scene investigators is distorted or only a partial print. Perform comparative analysis on forensic evidence (documents, handwriting, impression evidence). A discussion of castings is also included.įirearms, Toolmarks and Other Impressions This lesson from the National Museum of Crime & Punishment provides photos and analysis of shoe impressions and bitemarks used in crime scene analysis. Toolmarks are an impression left by an object, scrape marks, shearing marks, etc. From įrom Purdue University Forensic Science Department. Scottish Police Forensic Servicesįootprints, Tire Tread and Tool Marks. ![]() A discussion of castings is also included. Tools are often used by criminals to force entry to premises and can leave behind evidence for the forensic scientist to find. Toolmarks are an impression left by an object, scrape marks, shearing marks, etc. Information from Forensic Science Central Describes the types of impression evidence and provides examples of the different kinds.
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