Article Photos: Gunman's mother kept trials of home life hidden 4/4

Mourners looks at the names on a U.S. flag of the Sandy Hook Elementary School shooting victims at a sidewalk memorial, 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/David Goldman)