Visualization of latent fingerprint corrosion of metallic surfaces.

  title={Visualization of latent fingerprint corrosion of metallic surfaces.},
  author={John Bond},
  journal={Journal of forensic sciences},
  volume={53 4},
Chemical reactions between latent fingerprints and a variety of metal surfaces are investigated by heating the metal up to temperatures of approximately 600 degrees C after deposition of the fingerprint. Ionic salts present in the fingerprint residue corrode the metal surface to produce an image of the fingerprint that is both durable and resistant to cleaning of the metal. The degree of fingerprint enhancement appears independent of the elapsed time between deposition and heating but is very… CONTINUE READING

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