Investigators trying to piece together a motive in December's killings in Newtown, Conn., believe that 20-year-old shooter Adam Lanza may have been inspired by a similar 2011 massacre in Norway.
The Hartford Courant and CBS News report that authorities searching through Lanza's belongings after the shooting at Sandy Hook Elementary discovered several news articles about Anders Behring Breivik, who killed 77 people in Norway in July 2011.
CBS, citing unnamed investigators, reports that Lanza saw himself in direct compet