A pocket-friendly scanner linked to a mobile phone app and a central database of fingerprints enables police officials to conduct on-the-spot checks of the criminal history of a suspicious individual.

A pocket-friendly scanner linked to a mobile phone app and a central database of fingerprints enables police officials to conduct on-the-spot checks of the criminal history of a suspicious individual.

A pocket-friendly scanner linked to a mobile phone app and a central database of fingerprints enables police officials to conduct on-the-spot checks of the criminal history of a suspicious individual.