Ossoff will face off against Handel to fill the vacant seat left by Health and Human Services Secretary Tom Price. Despite winning the support of Bernie Sanders, many have criticized him a Republican-lite candidate whose centrist policies are too similar to Hillary Clinton - the very same policies Democratic strategists hope make him better suited to win a district that's historically swung red.
He reported taking in more than $23 million while Handel raised more than $4 million, according to the Federal Election Commission.
Mark Rountree, a Republican pollster who lives in the district, said the close race is a fluke.More news: Technology CEOs urged to join Trump initiative
The Republican president argued in a Monday tweet that the Democrats have "no ideas".
Trump wrote that Ossoff "can't even vote. because he doesn't even live there!"
The poll also shows 91 percent of Ossoff voters have an unfavorable opinion of Trump, while 78 percent of Handel voters have a favorable opinion.
Aside from the special elections in Kansas, Montana, California, Georgia and South Carolina, Utah will hold a special election on November 7 to replace the retiring Republican Rep. Jason Chaffetz; and there will be a special Senate election on December 12 in Alabama to replace Jeff Sessions, now the attorney general.
"The leftists have gone and typecast and they've picked this young man - charismatic, articulate - and they've taught him a few Republican buzzwords", the former governor said at a Handel event.More news: Judge Finds Defendant Guilty; Manslaughter Law Extending to New Grounds?
Still, all four of those seats are traditionally Republican.
Handel maintained some distance from Trump in the primary but has fully embraced his support and agenda since, including a joint fundraiser.
Democrats fell short in special House elections earlier this year in Kansas and Montana, in districts that Trump won by double-digits.
It's shaping up to be the most expensive house race in history.
Both Ossoff and Handel have received violent threats during the campaign. After a reporter described it, Handel called it "disgusting". He was a senior national security staffer to Rep. Hank Johnson (D-Ga.) before heading a company that produces investigative films on political corruption, crime and worldwide issues, including work for the Al Jazeera network - a fact his opponents have seized on.More news: Beavers' streak at 23; Harrison slam fuels 13-1 win over LSU
The ad is paid for by Principled Leadership Fund, a Super PAC from Tallahassee, FL. The 70-year-old retiree said she's volunteered for Ossoff since March, motivated by her fears about Trump's election and his approach to health care, immigration and education.
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