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President Trump's personal attorney Rudy Giuliani aggressively made the case on Thursday for the Trump campaign's legal challenge of the 2020 election results, alleging in a fiery news conference that there was a "centralized" plan to carry out voter fraud around the country.

This is a different approach than the campaign has recently taken in court, where they have primarily focused on the validity of ballots and counts without asserting fraud. While Giuliani did not present any direct evidence of a massive fraud scheme, Giuliani asserted that this is the "logical conclusion" reached as a result of incidents he said took place in several states.

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"What I’m describing to you is a massive fraud," Giuliani said at the Capitol Hill news conference with other members of Trump's legal team, who repeatedly lashed out at the news media and accused them of treating their efforts unfairly.

At one point, Giuliani repeatedly told one reporter: "You're lying."

His descriptions largely entailed recitations of allegations put forth in several lawsuits that the Trump campaign has filed. Former Vice President Joe Biden is the projected winner in the contest, but the Trump campaign is contesting those calls, raising concerns in several battleground states.

Former Mayor of New York Rudy Giuliani, a lawyer for President Donald Trump, speaks during a news conference at the Republican National Committee headquarters, Thursday Nov. 19, 2020, in Washington. (AP Photo/Jacquelyn Martin)

The former New York City mayor spoke about incidents in Pennsylvania where Republican poll watchers claimed they were not allowed to observe the counting process because they were kept too far away. A judge had ruled in their favor and ordered that they be permitted six feet away from the counting at a center in Philadelphia, but that was overturned after officials appealed.

Giuliani also claimed that while Pennsylvania does not allow absentee voters to fix any errors with their ballots, some were given that opportunity -- but not those from Republican areas.

He cited sworn affidavits from cases in Pennsylvania and Michigan from poll workers who spoke about instructions from supervisors. One affidavit said that workers in Pennsylvania were instructed to assign ballots without names to random people, resulting in thousands of people in Pittsburgh showing up to the polls to find that votes had been cast in their names.

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Another affidavit said that a supervisor in Michigan instructed workers to change the dates on absentee ballots to show that they arrived earlier than they had. An affidavit also claimed that workers were told not to request photo identification from Michigan voters, even though state law requires it.

Giuliani also said that approximately 100,000 absentee ballots in Wisconsin should have been deemed invalid because there were no applications for them. President-elect Joe Biden leads President Trump in that state by roughly 20,000 votes.

“If you count the lawful votes, Trump won Wisconsin," Giuliani said.

Trump campaign legal adviser Jenna Ellis explained the lack of new evidence at the news conference to support their allegations by saying this was merely an "opening statement," and that more evidence would be forthcoming in court.

Giuliani pushed back against a reporter who claimed he and his team were taking their time rolling out their cases.

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“We’re not going to drag it out. I mean it’s ridiculous for you to say we’re dragging it out," Giuliani said, noting that Al Gore took more time in the legal battle over the 2000 election.

He also said that more lawsuits could be coming in Arizona and potentially New Mexico, where Trump trails Biden by nearly 100,000 votes. He also said a challenge could come in Virginia, where Biden leads by almost 500,000 votes, if they believe they could overcome that deficit.