![]() ![]() ![]() Due to the sweat and dirt from the foot the insole impression can be left regardless of the wearers foot being in a sock or other covering. Imprints of a person's foot can be left on the insole (inside) of footwear. Recovery typically includes photography as well as lifting with "gel" or "electrostatic" dust lifters. Detection may require the use of additional specialized light sources such as portable ultraviolet lighting. There can also be latent impressions not easily visible to the naked eye, on many different surfaces such as floor tiles, concrete or even carpet. These can be left on the ground or raised surface by persons treading over it, left on doors or walls by persons attempting to kick or climb over a wall or even left on other persons after being kicked or stomped on. Detailed examination of footwear impressions can help to link a specific piece of footwear to a footwear imprint as each shoe will have unique characteristics.įootwear evidence can come in at least three forms, footwear outsole impressions, footwear insole impressions and footwear trace evidence.įootwear outsole impressions are impressions left on an object that was caused by contact with a piece of footwear. Information about the footwear can be gained from the analysis of wear patterns which are dependent on angle of footfall and weight distribution. This can be done visually or by comparison with evidence in a database both methods focus heavily on pattern recognition and brand or logo marks. Initially investigators will look to identify the make and model of the shoe or trainer which made an impression. Footwear evidence is often the most abundant form of evidence at a crime scene and in some cases can prove to be as specific as a fingerprint. Forensic footwear evidence can be used in legal proceedings to help prove that a shoe was at a crime scene. ![]()
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