The Republican National Committee is hoping to stoke animosity between Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE and must-win supporters of Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE over her vice presidential pick.

In a memo obtained by the Huffington Post, the RNC says it plans to train attacks on Clinton's eventual VP pick with an eye toward peeling off Sanders voters.

“For several months the RNC Research team has been quietly building a framework to systematically dismantle the records of Hillary Clinton’s potential running mates," the memo reads.

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Goals are to “drive wedges between these top contenders and either Clinton and/or traditional Democrat constituencies, such as labor, environmentalists, and gun control advocates, and other traditional left-wing constituencies” and “[w]here applicable, frame the choice as an insult to the large, deep base of Bernie Sanders supporters who are struggling with the notion of supporting Hillary Clinton as the presumptive Democrat nominee.”

The RNC also seeks to cast Clinton’s pick as a choice focused on “checking boxes and appeasing constituencies” and to “pre-emptively influence coverage and define top contenders to be Hillary Clinton’s running mate in a matter that will peel away the most votes.”

The memo, which names the effort “Project Pander,” reveals that the RNC thinks Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (Mass.), Housing and Urban Development Secretary Julian Castro and Sen. Tim Kaine Timothy (Tim) Michael KaineBarrett seen as a front-runner for Trump Supreme Court pick Biden promises Democratic senators help in battleground states Second GOP senator to quarantine after exposure to coronavirus MORE (Va.) are most likely to be selected, followed by Sen. Sherrod Brown Sherrod Campbell BrownBipartisan praise pours in after Ginsburg's death Emboldened Democrats haggle over 2021 agenda Hillicon Valley: Russia 'amplifying' concerns around mail-in voting to undermine election | Facebook and Twitter take steps to limit Trump remarks on voting | Facebook to block political ads ahead of election MORE (Ohio), Rep. Xavier Becerra Xavier BecerraOVERNIGHT ENERGY: Trump casts doubt on climate change science during briefing on wildfires | Biden attacks Trump's climate record amid Western wildfires, lays out his plan | 20 states sue EPA over methane emissions standards rollback 20 states sue EPA over methane emissions standards rollback Investigation underway after bags of mail found dumped in Los Angeles-area parking lot MORE (Calif.) and Labor Secretary Tom Perez.

RNC communications director Sean Spicer said the RNC is already gathering opposition research on all six potential picks.

“We’ve audited previous research efforts from allied folks, ID-ed relevant video and historical paper archives,” he told the Huffington Post.

He said the RNC has filed more than 20 freedom of information requests and is prepared to deploy operatives for further investigation once the choice is made official.

The Clinton camp brushed off the plot.

“We aren’t concerned,” spokesman Brian Fallon said in a statement to the Huffington Post. “While the Democratic party is quickly uniting around Hillary Clinton, Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE actually appears to be losing ground in his bid to consolidate Republicans. More and more members of Trump’s own party are realizing he is temperamentally unfit to be President, and there is no amount of Googling by RNC researchers that can fix that.”

The memo lays out the RNC’s planned lines of attack against the potential candidate it sees as most likely to be picked, with details on downsides to each choice, "narratives to push" and information on additional research efforts.

It would paint Kaine as a “career politician” with a "substandard" record unsuited to represent Sanders supporters because of his positions on trade and abortion. But the memo offers "dual narratives to push," saying that he is both not liberal enough for Sanders supporters and too liberal for the general electorate.

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The RNC would portray Castro as inexperienced and point out his record of supporting NAFTA and reportedly encouraging a gun manufacturer to move its headquarters to San Antonio during his time as mayor of the city.

“Castro could easily be portrayed as a John Edwards-esque pick,” the memo reads, “whereby someone with good looks but a thin resume is viewed as a novice on the national stage.”

The RNC acknowledges that Warren would likely be a hit with more progressive voters, but says her presence on the ticket would be “an extreme lurch left” and will characterize her as “intensely liberal and uncompromising.” The RNC would also highlight policy differences between the two women.

“A Clinton-Warren ticket reeks of insanity,” the memo reads.

The RNC would condemn Becerra as an "untrustworthy hypocrite" who "has been linked to radical Hispanic organizations" and "relishes dividing people along racial lines." To turn off Sanders supporters, the RNC would cast him as a "shameless opportunist and career politician."

Perez would be painted as "a career federal bureaucrat who has used whatever office he is in as a bully pulpit to expand government. His selection should terrify independents, swing voters, and businesses everywhere as it makes the ticket ultra-liberal."

The RNC had the least to say about Brown but pointed mostly to the difference in his voting record from that of Clinton.

"The best narrative to push about Brown is simply that he is an ultra-liberal who is to the left of Clinton and out of touch with the country," the memo reads.