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Unfortunately, as late and great as the technology of biometrics is, there are a lot of ‘bugs’ that need to be worked out. One important function of biometrics in homeland security is to fight terrorism by picking terrorists out of a crowd in a busy airport. Once in a while, the system would correctly pinpoint a terrorist. But it's a system that has enormous costs: money to install, manpower to run, inconvenience to the millions of people incorrectly identified, successful lawsuits by some of those people, and many more headaches to follow. All the false alarms will eventually lead those managing the system to not trust its results, leading to sloppiness and potentially costly mistakes. Biometrics is a security alternative that offers hope, but