of separatists and racists from david duke, former grand wizard of the kkk, to 24-year-old matt line hinbaugh. none like craig cobb. yet on the phone i'm surprised by his friendly demeanor. so unlike the man we saw in the videos. >> this is byron pitts from abc news, how are you this evening? thank you, bye-bye. maybe a change of heart. he was very gracious on the phone. sounded like a real gentleman. a reasonable man. >> hello, this is byron pitts. >> reporter: a few minutes later, cobb calls back after he googled my name. he's not pleased to see that i'm black or mulatto as he called me. >> mulatto, what does that mean in the options were high yellow or mulatto or black? call me byron. >> reporter: cobb says he refuses to be interviewed by someone black. >> listen. there's a race war. you people who have engineered this white genocide -- >> how is it i fall in the category of "you people" when when we first spoke on the phone you were polite, you agreed to speak with me, and then suddenly you google me and you see that i'm a person of color. and suddenly your tone changes, your attitude cha