"Historians say about 6 million Jews were slaughtered by the Nazis, but Darby said the figure is a false claim of the "Holocaust industry."
"I am what the propagandists call a Holocaust denier, but I do not deny mass deaths that included some Jews," Darby said. "There was no systematic extermination of Jews. There's no evidence of that at all."
Darby said he will speak Saturday near Newark, N.J., at a meeting of National Vanguard, which bills itself as an advocate for the white race. Some of his campaign materials are posted on the group's Internet site.
"It's time to stop pushing down the white man. We've been discriminated against too long," Darby said in the interview.
New Jersey's Democratic State Committee chief on Friday decried Darby's planned visit, and said in a statement that denying the Holocaust was "historical blasphemy."
A poll published last month indicated the Democratic race for attorney general was up for grabs. The survey showed 21 percent favored Tyson to 12 percent for Darby, but 68 percent of respondents were undecided.
Darby, founder of the Atheist Law Center and a longtime supporter of separation of church and state, said he has no money for campaign advertising and has made only a few campaign speeches. "