Rep. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezOn The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline McCarthy says there will be a peaceful transition if Biden wins Anxious Democrats amp up pressure for vote on COVID-19 aid MORE (D-N.Y.) on Tuesday called for White House senior adviser Stephen Miller Stephen MillerSpecial counsel investigating DeVos for potential Hatch Act violation: report Trump confirms another White House staffer tested positive for COVID-19 Biden pick creates furor, underscoring bitterness over Obama immigration policy MORE to resign after leaked emails appeared suggest that he promoted white nationalist literature and offensive immigration stories.

“Stephen Miller, Trump’s architect of mass human rights abuses at the border (including child separation & detention camps w/ child fatalities) has been exposed as a bonafide white nationalist,” Ocasio-Cortez tweeted.

“He’s still at the White House shaping US immigration policy. Miller must resign. Now,” she added.

Stephen Miller, Trump’s architect of mass human rights abuses at the border (including child separation & detention camps w/ child fatalities) has been exposed as a bonafide white nationalist.



He’s still at the White House shaping US immigration policy.



Miller must resign. Now. https://t.co/hwjy1xl6D4 — Alexandria Ocasio-Cortez (@AOC) November 12, 2019

The tweet comes after a report from the Southern Poverty Law Center (SPLC) revealed that Miller shared white nationalist content with right-wing news website Breitbart and worked to guide the outlet’s coverage.

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Hatewatch, a branch of the SPLC, reviewed more than 900 emails Miller sent to former Breitbart editor Katie McHugh between 2015 and 2016, finding that more than 80 percent of the emails were about race or immigration.

Among other things, Hatewatch said Miller shared content from white nationalist sites directly with McHugh to provide information for her reporting and sought to “create a narrative” regarding the removal of the Confederate flag after a shooting at an African American church in Charleston, S.C.

The White House dismissed the report, saying that the SPLC “is an utterly-discredited, long-debunked far-left smear organization” and is “beneath public discussion.”

white house statement on the matter pic.twitter.com/TNU9at4ahe — hannah gais (@hannahgais) November 12, 2019

Miller has been a top target for Democrats over his involvement in some of the Trump administration's hard-line immigration stances, including its now-scrapped “zero tolerance policy” that led to a spike in family separations at the border.