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Collecting, transferring and storing physical evidence: - Coggle Diagram
Collecting, transferring and storing physical evidence:
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Fingerprints:
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latent prints:
invisible marks left on a surface that can be made visible by 'dusting' with magnesium powder or shining an ultraviolet light on a surface.
after being photographed, prints can be lifted by using an adhesive sheet and then placed on a acetate sheet.
patent prints:
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can be left in substances such as blood, ink oil, powder or dust.
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plastic prints:
3 dimensional shapes made by pressing fingers into a soft material like wet clay, or the putty on a window frame.
they should be photographed,
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once they are collected, they can be compared and stored in the police's IDENT1 database, which houses fingerprints of everyone arrested, to see if there is a match.
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