Evidence hints at deadlier plan in Conn. school massacre
Connecticut School Shooting
A man helps a young girl up the stairs while carrying her backpack as they arrive for services at Trinity Church, Sunday, Dec. 16, 2012 in Newtown, Conn. A gunman walked into Sandy Hook Elementary School in Newtown Friday and opened fire, killing 26 people, including 20 children. (AP Photo/Jason DeCrow)