He referred to "hiding." It is still not exactly clear what he did. While my guess is that he managed to get her remains dispersed, and it will be likely impossible to recover her, there is still a chance that some of her could be found.
I hope they publish the transcript of this, so I can see exactly what Nelson says. It is so hard to get accurate information via tweet. I still don't know if when they refer to YY being stabbed, if they mean in the bedroom, in the bathroom, or both -because I haven't seen the transcript...
I will try to go watch some of the sentencing phase at the Urbana courthouse this week....