Robert O’Brien, a detective assigned to the 28th Security Forces Squadron, dusts for fingerprints on a knife at Ellsworth Air Force Base, , Nov. 10, 2016. The unique pattern of individual human prints was discovered during the 19th century by Henry Faulds while working as a medical missionary in Japan and is critical to identifying persons when conducting investigations. ( Air Force photo by Airman 1st Class Donald C. Knechtel)

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Size: 5656px × 3776px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 28th, afb, afgsc, air, bomb, detective, ellsworth, force, forces, investigation, saftey, security, wing