http://news.bbc.co.uk/2/hi/uk_news/scotland/4111962.stm
" Under the plans police will be able to store fingerprints and DNA
Scottish police may be handed powers to store DNA profiles and fingerprints of anyone they have arrested. The Scottish Executive is to launch a three-month consultation on the idea following pressure from police chiefs. Under the plans, evidence taken from a person could be retained even if they are subsequently found not guilty."