The Sikh Temple Shooting and Hate Groups

NYPD stationed outside the Sikh Cultural Center in Richmond Hill Queens, following a shooting at a Sikh temple in Wisconsin.

Brian Levin, director of the Center for the Study of Hate & Extremism at California State University, discusses Wade Michael Page, the gunman who allegedly killed six people at a Sikh temple in Wisconsin, and had ties to hate groups. We take a look at white supremacy in the US.