Calif. sheriff to scan irises of sex offenders
By Demian Bulwa
Each human iris has a unique texture, and its contours can be mapped in a searchable database. Proponents of the technology say it won't replace fingerprinting, but that it offers a speedier and more accurate way to identify people — whether they are suspects at the scene of a crime or inmates being freed.
Authorities plan to begin scanning the irises of the county's 2,500 sex offenders within a few weeks - when they register during a move or when they check in annually as required by law. There are no plans yet to expand the scanning to others.
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