The House of Representatives must expressly authorize a committee to conduct an impeachment investigation and to use compulsory process in that investigation before the committee may compel the production of documents or testimony in support of the House’s power of impeachment.
They had no subpoena power, so they couldn't subpoena Hunter Biden. Now they can.
Not what retard fantasy world you live in, but you seem pretty detached from reality. What smoking gun do you think they have? Don't answer, it was rhetorical. If you ponder it you'll realize no subpoena, no documents, no banking records, no phone records, no GPS data, no smoking gun. Got it? Thanks.
And who controls the House of Representatives moron?