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CSI: Buena
Forensic Footwear Evidence
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Forensic Footwear Evidence
Helps prove identities of suspects Most common evidence Gives information about suspects (print
analysis) Can be as specific as a fingerprint
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Footwear EvidenceForensic Footwear Evidence comes in at least
three forms: Footwear outsole impressions (Shoeprint)
Footwear insole impressions (Inside shoe)
Footwear trace evidence
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Footwear Outsole Evidence
Footprint
Impressions left on an object that was caused by contact with a piece of footwear.
GroundDoorsWallsOther peopleLatent Impressions
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Footwear Insole Impressions and
Footwear Trace Evidence
Insole Impressions – inside shoe
Imprints left inside of footwear caused by contact from the person’s foot. This evidence is usually used to link a person to footwear.
Footwear Trace Evidence
Trace evidence removed from footwear.
(ie, skin, glass fragments, body hair, fibers, etc)
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Examination of footwearFootwear impression can be used by
examiners to obtain the following information: Footwear
manufacturer (Nike, Adidas, New Balance) model (Air Jordan) size (7, 9, 11)
Approximate height and weight of wearer
What the person was doing when print was made
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Did you know?
The Unabomber was known to keep shoes with smaller soles attached to confuse investigators
A person’s shoe size is approximately 15% of their height.
3 different databases: SICAR, FIT, FSS
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Test impressions made with a
suspect’s shoes.