footwear impressions 3
- Created by: meganjayne15
- Created on: 03-05-14 17:00
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- Examining Footwear Impressions
- examine item for marks
- photograph
- recover
- enhance
- further notes
- enhance
- recover
- photograph
- examine suspect shoes
- photograph
- sketch
- make test prints
- test subject with similar size
- powdering, adhesive lift acetate sheet, gel lift
- label appropriately
- make test prints
- sketch
- make notes
- general description
- brand
- model
- colour
- labels
- size ad country of manufacturer
- condition
- sole pattern
- flat slopped or stepped heel
- wear and damage to sole
- general description
- preserve other evidence type before full examination commences
- photograph
- characteristics
- class
- make
- model
- design
- size
- individual
- wear
- pattern elements become worn
- appear on well worn shoes
- ridge characteristics - change will occur rapidly
- appear on well worn shoes
- pattern elements become worn
- tear
- damage
- random features on the sole
- lines, cuts or gouges
- random features on the sole
- wear
- class
- patterns
- large number of patterns on databases
- mostly training shoes
- many old and no longer in use
- manufacturers change patterns regularly
- nike, reebok and adidas most common
- large number of patterns on databases
- pattern size
- overall length and width
- similar shoes may have the same size of sole
- difficult to predict exact size even if whole of the pattern is present
- comparison
- after examination of both crime scene mark and suspect shoe
- over lay test prints
- use different light sources and magnification
- refer back to original mark and shoes
- over lay test prints
- limitations
- time consuming
- compare pattern, pattern size, wear and damage
- provides conclusion
- no support, limited support, moderate support, moderately strong support, strong support, very strong support and conclusive
- provides conclusion
- after examination of both crime scene mark and suspect shoe
- elimination prints
- paramedics, first officer attending scene, fire service and legitimate access
- examine item for marks
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