The ripple effect of a mass shooting, like the one in San Bernardino, can be felt far and wide.
In the days and weeks to follow, many will struggle to come to terms with what happened and accept a new "normal."
How do you make sense of senseless killing?
Take Two put that question to James Hawdon, director of the Center for Peace Studies and Violence Prevention at Virginia Tech. He began studying communal trauma after a grizzly shooting left 32 dead on the Virginia Tech campus in 2007.Press the blue play button above to hear the interview.