Elizabeth Bogdanoff, left, kisses her daughter Julia, 13, both of Newtown, Conn., during a prayer service at St John's Episcopal Church in Newtown, Saturday, Dec. 15, 2012. The massacre of 26 children and adults at Sandy Hook Elementary school elicited horror and soul-searching around the world even as it raised more basic questions about why the gunman, 20-year-old Adam Lanza, would have been driven to such a crime and how he chose his victims. (AP Photo/David Goldman)
Sandy Hook shooting tragedy
Nationwide memorials honor the Newton school shooting victims.