Sandy hook 2

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In the wake of the shootings, people questions whether there is a connection between Asperger's Syndrome and violence.

69-year-old Gene Rosen said the children told him 'our teacher is dead.'

Gunman's mother, Nancy Lanza, told him a military career 'wasn't right for him,' according to a family friend.

Connecticut State Police walk near the scene of an elementary school shooting on December 14, 2012 in Newtown, Connecticut.

Douglas Healy

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