Much of Black America has speculated about Stephen Miller’s ties to white nationalism since he first emerged as one of Donald Trump’s closest advisers — and quite possibly before that. But this week, the Southern Poverty Law Center (SPLC) released more than 900 emails that Miller sent to a former Breitbart News writer, touting white supremacy and confirming any suspicions.

The development has now prompted Democrats to push for his resignation in the Trump administration. Leaders of the Congressional Black Caucus joined with other caucuses to issue a joint statement on the matter.

The statement read, in part, “It’s clearer than ever that Stephen Miller is a far-right white nationalist with a racist and xenophobic worldview. His beliefs are appalling, indefensible, and completely at odds with public service.”

Democrats Push For Stephen Miller’s Resignation After Solid Proof Of His White Nationalism Surfaces
WASHINGTON, DC – AUGUST 02: Senior Advisor to the President for Policy Stephen Miller talks to reporters about President Donald Trump’s support for creating a ‘merit-based immigration system’ in the James Brady Press Briefing Room at the White House August 2, 2017 in Washington, DC. Earlier in the day President Donald Trump signed bipartisan legislation into law placing new sanctions on Russia and reducing his ability to lift the sanctions on Moscow. (Photo by Chip Somodevilla/Getty Images)

“We feel like it is up to us to point out the obvious — someone who writes, talks, and governs like a white nationalist is in fact a white nationalist,” the press release continued. “Stephen Miller is a white nationalist and he has no business serving in the White House.” 

The emails obtained by SPLC were handed over by writer Katie McHugh. In them, Miller recommends nationalist literature and immigration stories that are racist in nature.

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The emails which were dated between 2015 and 2016 were leaked on Tuesday. As of this writing, Miller still remains a senior policy advisor at the White House.