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Forensic science and fingerprints
Forensic science and fingerprints

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3 The development of latent fingerprints

Question 6

Which two methods were mentioned earlier in section 1 for making latent fingerprints visible?


It is possible to use either a chemical reaction, usually one which produces a colour change, or to use light or another type of electromagnetic radiation to make the fingerprints visible.

To understand these two methods, you will need to know more about electromagnetic radiation. This is detailed in the following sections.