if the shoe fits --- solving crimes with shoe print patterns
TRANSCRIPT
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If the Shoe Fits ---
Solving Crimes with Shoe
Print Patterns
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FOOTPRINTSFOOTPRINTS• They may not have
been enough to incriminate OJ Simpson, but footprints left at the scene of an incident are rapidly becoming the way to solve crimes
• It is possible to tell the height and build of an individual by looking at the depth and area of a print
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Shoe Print LibrariesShoe Print Libraries
Today’s forensic scientists only have to photograph shoe prints and enter them into a database, and within a few minutes, they know the manufacturer and type of shoe
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Preserving Shoe Preserving Shoe ImpressionsImpressions
• Footwear prints and impressions should be photographed: – As part of the general
scene– Also photograph with
a scale• Dental Stone is used in
casting impressions• Student investigators
use Plaster of Paris
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Steps in Preserving Shoe Steps in Preserving Shoe PrintsPrintsTake
Photographs of footwear impressions at a crime scene1. In the first
photo only the impressions are shown
2. In a subsequent photo a ruler will be added to show sizes
3.Later casts will be made of the impressions
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