New details emerge a week after school massacre
Connecticut School Shooting
The casket for Rachel D'Avino is carried from the Church of the Nativity in Bethletem, Conn., during her funeral on Friday Dec. 21, 2012. D'Avino was killed when Adam Lanza walked into Sandy Hook Elementary School in Newtown, Conn., Dec. 14, and opened fire, killing 26 people, including 20 children, before killing himself. (AP Photo/The Republican-American, Jim Shannon) MANDATORY CREDIT