Well I think he should be put in Juvinille hall till he's an adult then be put in normal jail for the remainder of his sentance.
As for the legality. I think legally speaking the unborn baby should not count as murder. Many abortions happen pretty late in the pregnancy yet the US legal system does not consider them murder. I think that legally speaking the boy commited pre-meditated murder.
I think the fact that the boy planned this out and didn't do it out of anger. He thought this through which means he is obviously smart enough to be tried as an adult. However I think he should be treated as a child and not sent to an adult prison.
Not to mention he should be rehabilitated, and treated like a child until he reaches the age of an adult. The fact that he shows no remorse is also disturbing most children when they commit a crime are very sorry and remorseful, even if their remorse isn't sinceer sometimes.
-JC7
"In God We Trust - In Games We Play " - Joel Reimer