Newtown, Columbine...How Does This Keep Happening?

Mar 19, 2013

All over America, tragic incidents like the one in Newtown, Connecticut keep occurring.  Why is that?  Tonight at 8pm, learn whether science can help us understand why some people commit horrific acts of mass murder on "Nova: Inside the Mind of a Rampage Killer" followed by "The Path to Violence" and "Guns in America."