Prints treated with Luminol to determine if the prints have traces of blood. Luminol turns blood purple.

Size: 5400px × 3600px
Photo credit: © Mikael Karlsson / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: blood, blood-prints, building, case, clues, crime, detecting, evidence, examining, fighting, forensics, hand, hand-prints, handprints, investigation, lab, laboratory, luminol, prints, scene, science, studying