This seemed hard to believe for the US, but then I found a source: http://www.aclu.org/free-speech-technology-and-liberty-womens-rights/newborn-dna-banking http

This seemed hard to believe for the US, but then I found a source: http://www.aclu.org/free-speech-technology-and-liberty-womens-rights/newborn-dna-banking http://www.aclu.org/free-speech-technology-and-liberty-women... . I have not yet been able to find a list of states that do this. The premise is that newborns are screened for genetic diseases, but the samples are then kept, sometimes indefinitely.