An anti-Trump Republican group announced new advertisements demanding testimony from White House officials in President Trump Donald John TrumpBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Pelosi: Trump Supreme Court pick 'threatens' Affordable Care Act MORE's impeachment trial.

The Republicans for the Rule of Law's ad campaign features 11 new billboards and five new video ads, including one national ad that will air during “Fox & Friends” and “Lou Dobbs Louis (Lou) Carl DobbsTrump argues full Supreme Court needed to settle potential election disputes Sean Hannity and Lou Dobbs to be deposed in Seth Rich lawsuit: report Trump praises several Fox News shows at briefing for coverage of Russia probe MORE Tonight.”

Four other advertisements will be targeted at constituents of Sens. Mitt Romney Willard (Mitt) Mitt RomneyCrenshaw looms large as Democrats look to flip Texas House seat The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election Trump dumbfounds GOP with latest unforced error MORE (R-Utah), Lisa Murkowski Lisa Ann MurkowskiSenate GOP set to vote on Trump's Supreme Court pick before election Supreme Court fight pushes Senate toward brink Democratic senator to party: 'A little message discipline wouldn't kill us' MORE (R-Alaska), Susan Collins Susan Margaret CollinsSenate GOP set to vote on Trump's Supreme Court pick before election Democratic senator to party: 'A little message discipline wouldn't kill us' Poll: 57 percent of Americans think next president, Senate should fill Ginsburg vacancy MORE (R-Maine) and Lamar Alexander Andrew (Lamar) Lamar AlexanderPelosi urges early voting to counter GOP's high court gambit: 'There has to be a price to pay' Graham: GOP has votes to confirm Trump's Supreme Court nominee before the election The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (R-Tenn.) and will air during “Fox & Friends” and “Hannity.”

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The video ads demand Trump’s personal lawyer Rudy Giuliani Rudy GiulianiThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting CIA found Putin 'probably directing' campaign against Biden: report Democrats fear Russia interference could spoil bid to retake Senate MORE, acting White House chief of staff Mick Mulvaney Mick MulvaneyOn The Money: House panel pulls Powell into partisan battles | New York considers hiking taxes on the rich | Treasury: Trump's payroll tax deferral won't hurt Social Security Blockchain trade group names Mick Mulvaney to board Mick Mulvaney to start hedge fund MORE, Secretary of State Mike Pompeo Michael (Mike) Richard PompeoWatchdog confirms State Dept. canceled award for journalist who criticized Trump Trump's push for win with Sudan amps up pressure on Congress Putin nominated for Nobel Peace Prize MORE and former national security adviser John Bolton John BoltonJudge appears skeptical of Bolton's defense of publishing book without White House approval Maximum pressure is keeping US troops in Iraq and Syria Woodward book trails Bolton, Mary Trump in first-week sales MORE be allowed to testify in front of the Senate.

“These witnesses must testify,” the national ad says. “Call your senators now.”

The digital billboards feature the four of them with duct tape over their mouths as well as the text “What is Trump hiding?” and a call to specific senators to push for testimony from them.

Chris Truax, the Republicans for Rule of Law spokesman, said the Senate needs to have a “fair and open trial” that includes testimony from these witnesses.

“Proper trials are seldom comfortable for the accused, but that’s no reason not to hold one, even if the accused is President Trump,” he said. “Impeachment is the ultimate check on abuse of power by the president, and future generations won’t thank us if we weaken it by treating it as just an exercise in partisan politics.”

The group also launched a billboard in Times Square earlier this month with the text “What is Trump hiding?” ahead of the House vote to impeach the president.

The House impeached Trump on two articles of impeachment last week. The Senate is largely expected to acquit the president.