Serious doubts are being raised about a new secure identity system being incorporated into new UK passports from the end of 2005.
Biometric facial recognition will be brought in as part of an international agreement to target terror and fraud.
But trials suggest the technology has a 10% failure rate, the BBC has learned.
Some experts say the technology could be unsuitable for the high volume of travellers it will deal with, and may fail to improve airport security.
Biometric facial recognition will be brought in as part of an international agreement to target terror and fraud.
But trials suggest the technology has a 10% failure rate, the BBC has learned.
Some experts say the technology could be unsuitable for the high volume of travellers it will deal with, and may fail to improve airport security.
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