17 years is a long time to think about what you've done, so it's very possible that he is no longer a threat to society. And if there's no evidence that he has

17 years is a long time to think about what you've done, so it's very possible that he is no longer a threat to society. And if there's no evidence that he has committed crimes while living in the cave, how likely is he to commit crimes going forward? I think it should be brought in, evaluated, and released if he no longer poses a threat.