Story highlights The Trump campaign rebuked the call

"Don't vote for Evan McMullin. Vote for Donald Trump," the call says

Washington (CNN) Donald Trump's campaign on Monday quickly condemned a white nationalist supporter who is pushing a small automated call in Utah slandering a third-party threat in the state, Evan McMullin.

A California man named William Johnson has placed a robocall in the state identifying himself as a "farmer and a white nationalist" and alleging that McMullin "has two mommies." McMullin grew up with both a father and a mother, but his parents have since divorced and his mother is now in a lesbian relationship.

Johnson also alleges -- without evidence -- that McMullin is gay because he is currently single.

"Don't vote for Evan McMullin. Vote for Donald Trump. He will respect all women and be a president we can all be proud of," the call concludes.

The Trump campaign quickly rebuked Johnson.

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