Raising Adam Lanza Preview
Preview: Season 31 Episode 6 | 31s
In the wake of the mass killings at Sandy Hook, FRONTLINE looks for answers to the elusive question: who was Adam Lanza? Also this hour: In the aftermath of the tragedy, President Obama called for a national conversation about guns in America. In Newtown, FRONTLINE explores how those closest to the tragedy are now wrestling with our nation's gun culture and laws.