This extract is interesting in the light of recent advances in fingerprint biometrics vulnerability reasearch:

Check fingers (machine to direct which finger is checked), irises (machine to direct which eye) and DNA (machine to take sample from one of many different sites) and a would be spoofer is gong to have a hard time. However, we can fairly guess that no such system will be put into general use. [UKCrypto]

6:45:29 PM