here's my "nightline" coanchor byron pitts. >> when you're in there, you think that you just know theth. white people are more intellectually capable than other people. >> reporter: they are the words of a repentant racist. >> i start to use the phrasing and the language that there is an overwhelming majority of jewish people in media and thinking, you know -- you start to ask yourself, are jewish people white? >> reporter: a young woman once consumed by hate. in that time did you think you were racist? >> i didn't. >> looking back did you think you were? >> yes. i never thought of myself as a racist person, but i was. >> reporter: samantha spent about a year of her life embroiled in a white supremacist hate group called identity europa. in the summer of 2017, identity europa united with other groups in a white supremacist movement and descended upon charlottesville, virginia. >> jews will not replace us! >> reporter: it was a weekend filled with hate. one that would result in the death of a young woman, heather heyer, after rallygoer james alex fields jr. deliberately drove his car i