If these congress folks are indeed elected by we the people for whatever values they proposed before election, but somehow got corrupted after getting elected we would need a process to reassess.
If these folks are not legitimately elected, but installed somehow through fraudulent votes and tallying the election integrity committee (assuming they are legit) needs to prove that and remove these folks from power.
There are two aspects to the corruption -
If these congress folks are indeed elected by we the people for whatever values they proposed before election, but somehow got corrupted after getting elected we would need a process to reassess.
If these folks are not legitimately elected, but installed somehow through fraudulent votes and tallying the election integrity committee (assuming they are legit) needs to prove that and remove these folks from power.