Whatever Happened To Sandy Hook "Crime Scenes" ???

Here is a recent picture of the Sandy Hook Elementary School, or what's left of it:

Can someone please tell me why it was necessary to tear it down? Was it because of the asbestos, or the alleged shootings?

And why is it necessary to tear down the Lanza home?

http://www.cnn.com/2015/01/21/us/sandy-hook-killer-home-demolition/

I suggest you watch the video "We need to talk about Sandy Hook":

http://mediasolidarity.com/watch_video.html

In the "house next door" segment (which starts at 30:41), you will see that the visible action that fateful day was NOT at the Lanza home, but at the house next door. What's with that?

If the town wanted to sell the Lanza home, I would have purchased it. I personally don't think anyone ever was killed there. For all we know, Adam and his mom are in the witness protection program, along with all the kids who weren't killed that day, either:

http://sainthoward.blogspot.com/2015/01/how-did-sandy-hook-victim-wind-up-in.html

If you have evidence which disproves my claims, and I mean EVIDENCE (not allegation and inuendo), I would like to see it.