The science of fingerprint identification has been an invaluable law enforcement tool for more than 100 years. Fingerprints found at crime scenes have led to more suspects and have generated more evidence in court than all other forensic techniques, combined. And no identical prints have ever been found among the billions that have been analyzed, either by experts or by computers. However, there are a handful of individuals who have no fingerprints at all. The fingertips of people with a rare genetic anomaly called adermatoglyphia are entirely flat -- they lack any of the swirls, loops, and whorls that can usually be relied upon as unique identifiers of all other human beings.
A rare genetic condition: