it's not the card itslef that's the problem (if it was going to be used by the Police, then they would be expected to cough up for it, and that's not going to happen), it's the database(s) behind it
in a nutshell, wrong information can be cross-matched more easily, and who owns/controls the information once it has been gathered
wierdly enough, I actually write these sort of smartcard/database systems for a living, and I reckon a national system is a Bad Idea/Total Disaster In The Making ....
RG
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