Sure. But if there was due process, instead of a star chamber, the defense would have subpoenad the phone records of Schiff's staff and the whistleblower. They woud subpoena the funding sources of the Atlantic Council, which includes Burisma. They would subpoena phone records from Herbst and others associated with Burisma and Schiff staffers.
He was put in charge of this charade because there is nothing you can learn about him that would ever threaten his position in Congress. He'd still be re-elected by a wide margin if his cell phone records showed he was conspiring with Nazis to load Jews and blacks into boxcars and send them to concentration camps.