Who on their right mind would just hand over a DNA sample to a law enforcement agency? Christ.

I don't blame you. Try any way that you can. Hey here's a stroke of genius. Call in a psychic let them read tour tea leaves. Probably be just about as effective.

There was a scathing report on Homeland Security that revealed they were keeping reports on average citizens well beyond the time federal law allowed. Regardless of what the law says, agencies will do as they please with evidence because they have no one to hold them to the law.