Ana Navarro on Sunday said Republican presidential nominee Donald TrumpDonald John TrumpPossible GOP challenger says Trump doesn't doesn't deserve reelection, but would vote for him over Democrat O'Rourke: Trump driving global, U.S. economy into recession Manchin: Trump has 'golden opportunity' on gun reforms MORE is worse than just unfit to be president.

"Forget being unfit to be president. He's unfit to be human," Navarro said on ABC, when talking about the controversy regarding the GOP nominee's tweet about the death of basketball star Dwyane Wade's cousin.

"Was he raised by wolves? Who has that as a first reaction upon somebody's death?"

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On Saturday, Trump faced backlash for his tweet about Nykea Aldridge, Wade's cousin, who was caught in crossfire and shot in the head and arm when leaving a school in Chicago.

"Dwayne [sic] Wade's cousin was just shot and killed walking her baby in Chicago. Just what I have been saying. African-Americans will VOTE TRUMP!" he tweeted.

Navarro, a former supporter of Florida Gov. Jeb Bush for the Republican presidential nomination, also addressed Trump's immigration policies, noting that he can change his words but "can't change a person's heart."

"Hispanics are not going to forget Judge [Gonzalo] Curiel," she said, referring to the Indiana-born judge presiding over a lawsuit regarding Trump University. Trump repeatedly charged that the judge, who is Mexican-American, could not be impartial because of his heritage. 

"African-Americans are not going to forget that he started the birther movement. I don't think Jewish folks forget the anti-Semitic ad against Hillary ClintonHillary Diane Rodham ClintonLewandowski on potential NH Senate run: If I run, 'I'm going to win' Fighter pilot vs. astronaut match-up in Arizona could determine control of Senate Progressive Democrats' turnout plans simply don't add up MORE," she continued.

"The problem that Donald Trump has is that most humans have a memory. And we're not going to forget it within one week."

Navarro tweeted on Sunday that she stands by what she said.