Santa Ana, CA, Police Department's forensics laboratory, a technician brushes black fingerprint powder on a pistol
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.
Size: 5100px × 3400px
Location: santa ana california usa
Photo credit: © Spencer Grant / Art Directors / Alamy / Afripics
License: Licensed
Model Released: Yes
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