In the immediate aftermath of the December 2012 murders at Sandy Hook Elementary School in Newtown, Conn., the public’s horror over the violence escalated into a contentious debate on school safety, bullying, parenting and gun laws. Little is known about why Adam Lanza killed his mother, six educators and 20 first-graders before killing himself. The media replayed the few details that were known, but the traumatic incident left many questions in its wake.
