Adam Lanza, the 20-year-old who killed 20 kids and six adults at a Connecticut elementary school Friday, was very bright, say neighbors and former classmates, but he was also socially awkward and deeply troubled.
"[Adam] was not connected with the other kids," said family friend Barbara Frey. A relative told ABC News that Adam was "obviously not well."
READ full ABC News coverage of the Connecticut shootings.
On Friday morning, Lanza shot his mother Nancy in the face at the home they shared...Full Story