Moulton pointed to statistics that, while four percent of extremists killings are perpetrated by left-wing extremists, right-wing extremists are responsible for 76 percent of killings. "There are people who are trying to polarize us further, divide our nation further and just blame the left, even while those of us on the Democratic side, by and large saying we all need to turn down the rhetoric, so let's be serious about where this violence is coming from," Moulton said.