The founder of a white nationalist super PAC that blanketed Iowa in robocalls supporting Donald Trump’s presidential bid over the weekend plans to expand that effort in early voting states.

William Daniel Johnson, founder and treasurer for American National Super PAC, told TPM in a Monday phone interview that he plans to reach out to voters in both Iowa and New Hampshire with recorded messages trumpeting Trump’s anti-immigrant policies. TPM first reported on the robocalls Saturday after receiving a recording of the call from a reader in the Hawkeye State.

The robocall featured endorsements from Johnson, who is also the chairman of the white nationalist American Freedom Party; Jared Taylor, the founder of the white supremacist magazine American Renaissance and a spokesman for the Council of Concerned Citizens; and Rev. Donald Tan, a Christian radio host.

On the call, Taylor said that the U.S. should only accept “immigrants who are good for America.”

“We need smart, well-educated white people who will assimilate to our culture,” he said. “Vote Trump.”

Johnson told TPM that the Iowa robocall campaign, which will continue running until the Feb. 1 caucuses, was launched to coincide with a Jan. 12-22 program on talk radio in which Johnson and Tan will discuss Trump’s candidacy. He said the Iowa radio and robocall effort have cost about $9,000 to date.

Johnson, who also told TPM that he thought America needed to have a “separate white ethno-state,” said he believed Trump’s immigration proposals were realistic.

“He knows what’s practical, he knows what can be accomplished, and he has the intestinal fortitude to act on that plan,” he said. “Yes, everything he proposes can be implemented.”

Look for TPM’s full interview with Johnson on Tuesday.