Sandy Hook Massacre Statistically Unlikely

Here is an interesting analysis of US school shootings which indicates that the mortality rate allegedly seen in the Sandy Hook school shooting is statistically extremely unlikely:

http://memoryholeblog.com/2014/06/10/sandy-hook-a-quantitative-criminological-inquiry/

Did Adam Lanza achieve the impossible, or did something else happen here?

If the Sandy Hook event was a hoax, perhaps we should be grateful that Uncle Sam chose to playact this particular SCAD instead of killing more of us to help meet his lofty goals.