Gunman said to have been intelligent but socially inept

Posted: December 16, 2012 at 4:08 a.m.

Adam Lanza, shown in a 2005 photo provided by a neighbor, Barbara Frey.

Adam Lanza was memorably smart and heartbreakingly shy during his years at Newtown High School in Connecticut.

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Front Section, Pages 15 on 12/16/2012