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"Fingerprinting: A Lesson on Classification"

"The Integrated Automated Fingerprint Identification System, or IAFIS, is a national fingerprint and criminal history system that responds to requests 24 hours a day, 365 days a year to help our local, state, and federal partners-and our own investigators-solve and prevent crime and catch criminals and terrorists."

"How Fingerprinting Works"

India is launching a new census in which every person aged over 15 will be photographed and fingerprinted to create a biometric national database.

An article about the use of biometrics to authenticate gun owners. Weapons come with fingerprint sensors built in and will fire only for the authorised owner. The article also covers some of the problems of biometrics - the system claims to be 95% accurate - which is still not enough for use by the military or police officers.