AFTER NEWTOWN -- February 21, 2013 at 5:10 PM ET
Live Chat: Mind of a Rampage Killer
What combination of circumstances compels a human being to commit the most inhuman of crimes? Can science in any way help to understand these horrific events and provide any clues on how to prevent them in the future?
Wednesday night, Miles O' Brien explored these question's in "Mind of a Rampage Killer." The film sought to understand whether genetics or environment turns a seemingly happy child into a troubled youth.
Tonight at 7 p.m. ET, join him for a live chat where he and Katherine Newman, dean of the Krieger School of Arts and Sciences at Johns Hopkins, will answer your questions.