Ossoff may have raised more money than Handel, but she has the support of President Trump, as well as Price and Agriculture Secretary and former Georgia Governor Sonny Perdue. "This is a race for the heart and soul for America".
The seat was formerly held by Tom Price, who is now the secretary of Health and Human Services.
A Georgia GOP chairman said Republican congressional candidate Karen Handel will benefit from last week's shooting in Alexandria, Virginia that wounded Rep. Steve Scalise and several staffers and law enforcement officers.
Political experts are calling the Georgia race a key harbinger of what might lie ahead in the 2018 congressional midterms. The National Republican Congressional Committee (NRCC) has poured in another almost $6.7 million, while the Republican National Committee and America First Policies (a Trump-aligned Super PAC), have spent a combined $2 million.
The race between Republican Karen Handel and Democrat Jon Ossoff is seen as a significant political test for the new Trump Administration and spending could top $50 million, making it the most expensive House race in US history. But Perdue flatly disputed them, calling the election "a harbinger of national politics" as Handel looked on.
And the attention is all the more intense given Republicans held on to House seats in Montana and Kansas earlier this spring and are expected to hold a SC seat on Tuesday.
The ad, which includes an image of USA comedian Kathy Griffin holding a fake severed head that looks like Mr Trump, claims "these same leftists are all for Ossoff, and he wins, they win". But the Republican Party and conservative allies are also dumping huge sums into the contest-far more than the Democrats and progressive groups-in an effort to keep the district in their column. And with some analysts seeing a surge of GOP voters in early ballots, the bigger turnout in this historic Republican district could favor Handel.
But the young Democrat could pull off an victory. He's also taken aim at Handel as a "career politician" and an executive for the Susan G. Komen Foundation when the organization threatened to cut off funding for Planned Parenthood, a health care and abortion provider. Ossoff says removing that cost protection makes any guarantee of coverage "useless", because policies would become unaffordable, particularly given the Republicans' proposal to roll back premium subsidies that are a primary feature of the 2010 law.