Check out this New York Times article about [a href="vny!://www.nytimes.com/2007/02/05/washington/05dna.html?hp&ex=1170738000&en=4f5fb3a245f37a20&ei=5094&partner=homepage"]a 'vast expansion' of DNA sampling[/a] here in the US.
A little-noticed rider to the January 2006 renewal of the 'Violence Against Women Act' allows government agencies to collect DNA samples from [em style="font-weight: bold;"]any[/em] individual arrested by federal authorities, and from every illegal immigrant held for any length of time by US agents. The goal is to make DNA collection as routine a part of detainment as fingerprinting and photography. Privacy experts and immigrant rights groups are decrying this initiative already. Many are also skeptical of lab throughput, as FBI analysts indicate this may increase intake by as much as a million samples per year. There is already a backlog of 150,000 samples waiting to be entered into the agency's database.