Washington (CNN) Democratic lawmakers grilled acting US Citizenship and Immigration Services Director Ken Cuccinelli over the Trump administration's immigration policies Wednesday amid speculation that he's being considered to become the new acting Homeland Security secretary.

In one instance, Democratic Rep. Debbie Wasserman Schultz addressed Cuccinelli by stating that: "You and Mr. Trump don't want anyone who looks or talks differently than Caucasian Americans to be allowed into this country."

"That's false," Cuccinelli responded.

Wasserman Schultz later continued: "You want to block all immigration and make life harder for immigrants and you have demonstrated that you will pursue this heinous white supremacist ideology at all costs, even if it means making critically ill children your collateral damage in the process and this goes to a comprehensive pattern of harm at the USCIS under your leadership," before posing a question about a separate USCIS regulation.

"After declaring that I'm not a white supremacist, as you alluded," Cuccinelli said.

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