Why are you so sure they have a DNA sample? I know there is a certain assumption present in cases like this, but I'm not certain that is actually the case here. Plus, even if that is the case there are any good number of ways that there is no DNA sample.
[FONT="]All fifty states require DNA samples from convicted sex offenders, with some states collecting from all classes of felons.
[/FONT]I thought I read some where that they had collected DNA....not sure if it was under nails or sexual DNA, but I think if he was in the database, he would have done been had. But heck, I am just guessing like all the rest.