Through continued engagement with USACIL, the team plans to expand the applications of RCI to detect and identify illegal drugs and gun-shot residue from fingerprints.

A veteran analyst explains the work of gathering fingerprints that can link a suspect to a crime—even after it rains.

Hany Farid and his colleagues at Dartmouth College adapted a technique they had developed to detect tampering in digital images. They first analyzed a high-resolution image of artwork, computing ...

More traditional fingerprinting methods include high-resolution photography, dusting, superglue and lifting, application of dyes and analysis using LED or laser lights.

Unlike blood tests, cocaine use can be detected with the fingerprint analysis in less than two minutes. “A fingerprint is a great way to test for drugs as it is so quick and efficient to collect ...