Washington DC - Laura Loomer thinks 9/11 was an "inside job," makes racist jibes, and is at war with her own Republican Party, so why is she flying around the country with Republican presidential candidate Donald Trump and his campaign?

Meet Laura Loomer, the latest far-right fringe figure to set up in the presidential candidate's inner circle, and who has managed to shock even Trump's closest allies as he seeks to reclaim the White House.

Loomer, a 31-year-old social media influencer and pusher of polarization, has managed to squeeze into Trump's entourage at a time he is struggling to win over the independents and moderates needed to prevail in November's election against Kamala Harris, a race that is coming down to the wire.

But instead of opening the Republican Party as a big tent, Trump appears to have cozied up to a self-declared Islamophobe who spews toxic remarks about LGBTQ+ Americans, and insists that his bogus debate claims of Haitian migrants eating pet dogs resonated with voters concerned about immigration.

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On Wednesday the ebullient, much-criticized Loomer flew on Trump's plane and was seen alongside him at a ceremony commemorating the 9/11 attacks anniversary in New York. The day before, she was backstage at the Republican flagbearer's debate against Harris in Philadelphia.

But earlier in the week Loomer alarmed some of the billionaire's main backers when she told her 1.3 million X followers that if Harris, whose mother was Indian, wins the election, "the White House will smell like curry."

It all proved to be too much for several Republicans in Trump's orbit, including some who themselves are known for their aggressive provocations.

"This is appalling and extremely racist," responded congresswoman Marjorie Taylor Greene, a far-right firebrand and fierce Trump supporter, adding such commentary "does not represent who we are as Republicans or MAGA."

Republican US Senator Thom Tillis of North Carolina, one of the election's critical swing states, launched a blistering salvo against Loomer, calling her "a crazy conspiracy theorist who regularly utters disgusting garbage intended to divide Republicans."

"A [Democratic] plant couldn't do a better job than she is doing to hurt President Trump's chances of winning re-election," he posted on X. "Enough."

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She has also faced backlash from Republicans in Florida, the state where Trump himself resides, and where she twice ran unsuccessfully for Congress.

Loomer, who has been a guest at Trump's Mar-a-Lago resort, clapped back Friday with a slew of insults against Greene, and said haters from within her party are "simply jealous that they were not on the plane with President Trump."

The self-styled "investigative journalist" is accused by her many detractors of being racist, homophobic, and Islamophobic. Her outrageous outbursts, like those of her mentor 47 years her senior, send social media platforms into a frenzy.

She has called Islam a "cancer," and claimed President Joe Biden was somehow behind the assassination attempt that nearly killed Trump in July.

The White House weighed in Thursday to say no leader should associate with someone who spreads "this kind of racist poison."

"The history of this person is just really toxic," Republican Senator Lindsey Graham told the Huffington Post of Loomer, adding Trump was doing himself no favors keeping her as a confidante.

"The president would serve himself well to make sure this doesn't become a bigger story," Graham said.