S1/EP100 DA Guy James Gray says he was not thrilled to take on the murder trial of three men responsible for the dragging death of James Byrd, but he knew how important it was. He received death threats, but was buoyed by the sense that the African-American community felt they had a chance to see justice done on their behalf.

S1/EP100 Acting teacher Philip Schwadron recalls teaching Samuel Woodward for a semester, before Woodward would murder Blaze Bernstein. He was humorless, angry and "getting angrier" throughout the year, he says.

Ricky Best and Taliesin Myrddin Namkai-Meche died standing up for others' rights, in the horrific 2017 Portland train attack. The two teenage girls the men defended from a violent racist speak about their legacy, and get broken up thinking, "If they didn't stand up for me, they could still be here."

S1/EP100 ADL's Oren Segal and Chapman University's Peter Simi have seen white supremacist groups mobilizing more effectively for years, and Charlottesville was a natural outgrowth of that, they say.

S1/EP100 The term "lone wolf" is problematic, Peter Simi says, because it was originated by neo-Nazis, and can be used to downplay violent extremist acts as isolated incidents. Worse, it can romanticize them.

S1/EP100 ADL's Oren Segal says hate crimes are designed to strike fear into the broader community, not just the individual attacked. And with social media, extremists can "pile on" after the fact, too.

S1/EP100 Laura Coates compares the anonymity of the Internet and social media to the Klan's hoods. If that's the case, law enforcement should use its tools to "lift the hood," she says.

S1/EP100 Former prosecutor, and 'Killed By Hate' host Laura Coates says extremist groups will incite people to commit crimes on social media while hiding behind the First Amendment's right to free speech.

S1/EP100 Jeremy Christian fatally stabbed two men and injured another when they interceded between him and two young black women he was verbally assaulting.

S1/EP100 Heather Heyer's mom, Susan Bro, recalls the neo-Nazi, alt-right and KKK rally in August 2017 in the ostensibly progressive town of Charlottesville. Heather would lose her life that day.

Oxygen's two-hour special airs Sunday, October 20th at 7/6c.