I ran across this on the BBC's site this morning:
http://news.bbc.co.uk/2/hi/technology/6170070.stm
"Police to fingerprint on streets
Motorists who get stopped by the police could have their fingerprints taken at the roadside, under a new plan to help officers check people's identities.
A hand-held device being tested by 10 forces in England and Wales is linked to a database of 6.5m prints..."
Here's a mobile version of the link:
http://news.bbc.co.uk/2/low/uk_news/6170070.stm

--ryan