Fingerprints appear on a bottle using a strong light source used by Afghanistan Captured Material Exploitation laboratory latent print examiners at Bagram Airfield, Afghanistan, Jan. 3, 2019. Fragile prints, like this one, are typically found on nonporous surfaces like plastics and metals, and can be easily wiped off during collection and handling. (U.S. Air Force photo by Senior Airman Kaylee Dubois)