Adam Lanza: A 'Quiet, Odd' Loner Living On The Fringes

He was a loner, a 20-year-old whom Newtown High School classmates remembered as a skinny, shaggy-haired boy "who never really talked at all" and who stayed tight to the corridor walls when he walked, often clutching his laptop.

By JOSH KOVNER and EDMUND H. MAHONY, jkovner@courant.com

December 15, 2012