Possible. He was a D incumbent, btw. The guy was the one that was expected to take over for Pelosi as party leader in the House, in fact.
Also, if they actually push for a vote, you'll see the guilty ones start fighting back. They're backed into a corner. They can't let it come out (even though it will), because they'll be taken down. They'll have to come up with a way to tell everyone that Trump is innocent.