The below is what I read about the backlog. Who's required to submit DNA? Is it state by state? Or a federal Mandate for all SO's? http://news.rgj.com/apps/pbcs.dll/article?AID=/20080128/NEWS01/801280338/1016/NEWS Police said the man's DNA profile did not match any convicted offenders entered into the national DNA database, although scientists have complained the database is severely backlogged.