Here is the police dispatch to compare to the 911 calls:
http://nhregister.com/articles/2012/12/14/news/doc50cc0897adc1a203744261.txt?viewmode=default
There is a call here still missing — at 0:50:
http://www.youtube.com/watch?v=cUP1jNwGWNA
Units responding to the Sandy Hook school .. the front glass has been broken out of the school. They’re unsure why.
Who reported this broken glass and when???