David Freedman, right, kneels with his son Zachary, 9, both of Newtown, Conn., as they visit a sidewalk memorial for the Sandy Hook Elementary School shooting victims, Sunday, Dec. 16, 2012, in Newtown, Conn. (AP Photo/David Goldman)

Photo by: David Goldman

David Freedman, right, kneels with his son Zachary, 9, both of Newtown, Conn., as they visit a sidewalk memorial for the Sandy Hook Elementary School shooting victims, Sunday, Dec. 16, 2012, in Newtown, Conn. (AP Photo/David Goldman)