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          Biometric Standards for Law Enforcement

          Border security, crime investigations, background checks and access control all rely on certain organizations being able to seamlessly exchange biometric data such as fingerprints. NIST led the development of a standard that made this exchange possible by providing a common language and standardized format for biometric data and information about how it was collected.

          blurry keyboard with a clear fingerprint on one of the keys
          Credit: ?JMiks/Shutterstock

          Law enforcement agencies and identity management organizations are increasingly using automated biometric technologies to help identify or verify personal identities. To effectively exchange biometric data across jurisdictional lines or between dissimilar systems made by different manufacturers, a standard is needed to specify a common format for the data exchange.

          Researchers at NIST, in partnership with academia, industry and other federal organizations, developed the first American National Standards Institute-approved standard to establish technical specifications for exchange of fingerprint data between organizations.

          Since that standard was approved in 1986, it has been revised to include additional types of biometric data. The current version, approved in 2016, defines the content, format and units of measurement for the electronic exchange of fingerprint, palm print, facial/mugshot, scar mark, tattoo, iris, DNA, voice data and more.

          Without this standard, law enforcement agencies would not be able to compare evidence against databases of crimes committed in neighboring states, or even neighboring cities.

          Today, the Department of Defense, the Federal Bureau of Investigation, the Department of Homeland Security, Interpol and the governments of 70 countries use the standard to support law enforcement and border security.

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