The panel was intended to include a bipartisan group of lawmakers, though with more Democrats than Republicans, to investigate and report on what happened during the Jan. 6 attack on the U.S. Capitol.
“I agree with what the Speaker has done,” Cheney told reporters from in front of the Capitol.
Pelosi blocked GOP Reps. Jim Jordan of Ohio and Jim Banks of Indiana from serving on the investigatory panel after they were nominated by House Minority Leader Kevin McCarthy earlier this week.
The House Select Committee includes eight Democrats and five Republicans and was established after Senate Republicans filibustered the push for an independent bipartisan commission in May.
But Pelosi, who reserved the right to veto McCarthy’s nominees, said she rejected Jordan and Banks because she believed they jeopardized the “integrity of the investigation.”
Cheney backed the Speakers decision and accused McCarthy of politicizing the investigation.
“At every opportunity, the minority leader has attempted to prevent the American people from understanding what happened to block this