(CNN)

The effort comes after the numerous revelations of a fake elector scheme leading up to the Jan. 6 insurrection at the Capitol, and as election deniers in many races aim to win positions of power.

In this Jan. 6, 2021, file photo people shelter in the House gallery as rioters try to break into the House Chamber at the U.S. Capitol. (AP Photo / Andrew Harnik, File)

Plus: Previewing the trial on ‘Chicago Tonight’

Lawyers for Donald Trump on Monday blasted the impeachment case against him as an act of “political theater” and accused House Democrats on the eve of the former president’s trial of exploiting the chaos and trauma of last month’s Capitol riot for their party’s gain.

In this Jan. 6, 2021, file photo with the White House in the background, President Donald Trump speaks at a rally in Washington. (AP Photo / Jacquelyn Martin, File)
,

Democrats marched the impeachment case against Donald Trump to the Senate on Monday night for the start of his historic trial, but Republican senators were easing off their criticism of the former president and shunning calls to convict him over the deadly siege at the U.S. Capitol.

Former New York mayor Rudy Giuliani, a lawyer for President Donald Trump, speaks during a news conference on legal challenges to vote counting in Pennsylvania, Saturday Nov. 7, 2020, in Philadelphia. (AP Photo / John Minchillo)
,

President Donald Trump has promised legal action in the coming days as he refused to concede his loss to President-elect Joe Biden, making an aggressive pitch for donors to help finance any court fight.