PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY
Fingerprint retrieval. Fingerprints revealed by dusting them with graphite powder. The powder adheres to the moist prints, allowing them to be seen easily. Fingerprints are unique to every individual and can thus be used to determine whether a suspect was at a crime scene.
Model release not required. Property release not required.