Actually, facts do matter. You should try using them now and again, instead of just repeating right wing propaganda.
Democrats have wanted a fair and impartial investigation from the beginning. That's why they initially proposed an independent committee, when they were under no obligation to do so.
Republicans, naturally, blocked this effort. And now they caterwaul about the committee being "politically motivated" when in fact, it's their obstructionism that made it political.
Democrats are acting good faith. Republicans - and the brain-dead cultists who parrot their lies on message boards - are not.
As I say, at least we are in agreement that the committee is highly partisan.