In the Evidence Processing Room of the Santa Ana,CA,Police Department's forensics laboratory,a technician brushes black fingerprint powder on a pistol used to commit a crime after cyanoacrylate fuming in an oven to detect latent fingerprints. Cyanoacrylate is warmed to produce fumes that react with the invisible fingerprint residues to form a white polymer (polycyanoacrylate) on the fingerprint ridges | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Grant, Spencer |
Taille de l’image : | 4368 px × 2912 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : |
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