No need for agonised puzzlement. It's simple. Lanza was a psychopath. Many are. Difference is, he lived in a culture that glorifies guns.
@andrew_jackman @RichardDawkins This study shows correlation, no causal link. Where is the control? Aren't we interested in science?
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@dibblego@RichardDawkins True. The US appears to be a good control...Thanks. Twitter will use this to make your timeline better. UndoUndo
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