Fights have broken out at polling stations and poll workers have conducted active shooter drills.
There have been threats to blow up political offices and ballot boxes have been set on fire.
Ahead of what could be the closest presidential election in history, staff charged with overseeing Tuesday’s vote are already facing chaos and bracing for violence.
As memories of 2020 resurface, many have taken extra precautions to turn local districts into fortresses and additional police will be deployed across the country on November 5.
The fallout could also be fraught with friction, with some state officials warning that the outcome could take days to be finalized in some of the seven disputed states.
The narrow margins between Donald Trump and Kamala Harris in polls show the outcome could depend on just a few thousand votes.
According to an exhaustive survey by DailyMail.com, the concerns are justified.
A Trump supporter, left, confronts a Harris fan outside a Tim Walz event in Bristol Township, Pennsylvania, last week.
In the survey of 1,003 likely voters, conducted with JL Partners, more than 25 percent believe there will be unrest whether Harris or Trump wins, and 10 percent fear a civil war.
Just over one in five (22 percent) think a Democratic victory would lead to a repeat of Jan. 6, and 21 percent believe Democratic election sites or officials will be targeted directly.
Harris voters are more likely to believe riots will occur, while Republicans are divided over whether the election will be conducted fairly.
However, if Donald Trump wins the Electoral College by a narrow margin, Americans believe there is a greater chance of “violence in the streets” in the form of angry protests.
Among the former president’s former supporters, 13 percent believe there would be a civil war if the Republicans were defeated.
Among Harris supporters, nine percent believed there would be an all-out nationwide conflict if they emerged victorious.
A similar number of Trump (18 percent) and Harris (16 percent) voters would support resorting to violence if they thought the election was unfair.
Allegations of fraud across the country four years ago caused chaos in nearby states, including Pennsylvania, Georgia and Arizona.
Poll workers received death threats and confronted armed Trump supporters at polling places.
The situation is unprecedented and has forced state governments to invest in resources such as more voting machines and security.
With the country still divided in its support for two candidates who have very different visions for the country, there is still concern of a repeat.
Pennsylvania, arguably the most important state in the race, has already been at the center of fraud allegations that have reached the Supreme Court.
In the Keystone State, Edward Dieri Jr. was charged with threatening to blow up a Republican office in Montgomery County.
Jeffrey Michael Kelly was arrested in Arizona on October 23 for allegedly shooting three times at a Democratic campaign office.
He was also accused of posting signs outside his house with razor blades and a bag with a white powder attached to it.
In San Antonio, Texas, a man allegedly attacked a poll worker who asked him twice to remove his MAGA hat.
Political clothing is prohibited at polling places in many states, including Texas.
Authorities began working to put out a fire at an urn in Vancouver, WA, early Monday morning. It was one of two fires set at two ballot boxes in two different states early Monday morning.
In Oregon and Washington, the FBI and police are still searching for an arsonist who set fire to three ballot boxes.
A Democratic congressman predicted last Thursday that “there could be blood” if Harris wins.
Rep. Steve Cohen, D-Tenn., told NewsNation’s Dan Abrams that he believes the Democratic candidate will win in both the Electoral College and the popular vote.
But he warned that he believes Trump “will stop at nothing” if the vice president is declared the winner.
Rep. Cohen told Abrams he expects Harris to get at least 5 million more votes than Trump.
‘But I think Trump will stop at nothing. It will be in the courts, it will be in litigation, it will be telling people again to go to the Capitol if they want to have a country and fight like hell,’ he continued.
“I mean, we’re going to have… there may be blood and there’s some concern.”