Understanding and responding to homegrown terrorism

Aired: 4/17/2014 | 0:07:29 | Clip
When random violence strikes on home soil, what do we call it and how do we prosecute it? Lisa Monaco, assistant to the president for Homeland Security and Counterterrorism, talks to Gwen Ifill about domestic terrorism, including why we must try to understand what draws people to extremism and who should be responding.