evidence: House Republicans, from left, Oversight and Accountability Committee Chairman James Comer, Rep. Jim Jordan and Rep. Jason Smith make a statement to reporters about their impeachment inquiry of President Joe Biden at the Capitol in Washington, Dec. 5, 2023. (AP) [...] When Republicans announced a formal impeachment inquiry into Biden in September, then-House Speaker Kevin McCarthy listed Smirnov’s claims among the "serious and credible allegations" against Biden. [...] After Smirnov’s indictment, Comer said in a statement to PolitiFact that the impeachment inquiry "is not reliant" on Smirnov’s claims. Jordan also walked back his earlier statement.