Former FBI Director James Comey James Brien ComeySteele Dossier sub-source was subject of FBI counterintelligence probe Judge will not dismiss McCabe's case against DOJ Democrats fear Russia interference could spoil bid to retake Senate MORE donated the maximum legal amount to Democratic candidate Jennifer Wexton as she campaigns to unseat vulnerable Virginia Rep. Barbara Comstock Barbara Jean ComstockLive coverage: House holds third day of public impeachment hearings Gun debate raises stakes in battle for Virginia legislature Progressives face steep odds in ousting incumbent Democrats MORE (R) in November.

Comey donated $2,700 to Wexton's campaign in September as the Virginia Democrat continues to gain momentum in the state's hotly-contested 10th congressional district race, Federal Election Commission filings show.

The former FBI head has traditionally donated to Republican campaigns, including Mitt Romney Willard (Mitt) Mitt RomneyTrump 'no longer angry' at Romney because of Supreme Court stance GOP lawmakers distance themselves from Trump comments on transfer of power McConnell pushes back on Trump: 'There will be an orderly transition' MORE’s 2012 presidential campaign and John McCain John Sidney McCainAnalysis: Biden victory, Democratic sweep would bring biggest boost to economy The Memo: Trump's strengths complicate election picture Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE’s presidential campaign in 2008.

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However, Comey, who was fired by President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE in May 2017, revealed earlier this year that he was leaving the Republican party because of the president.

"The Republican Party has left me and many others," he said at the time. "I just think they've lost their way and I can't be associated with it."

He also added that he thinks the Republican Party now reflects "entirely Donald Trump's values."

"It doesn't reflect values at all. It's transactional, it's ego-driven, it's in service to his ego," Comey said.

The former longtime Republican has since called on Americans to vote for Democrats in the midterm elections, saying: "Policy differences don’t matter right now. History has its eyes on us."

A Monmouth University poll released earlier this month shows Wexton leading Comstock by 6 points in Virginia's 10th Congressional District.