Trump’s DOJ is arguing in court that the impeachment investigation isn’t real, so they don’t have to comply with House Judiciary subpoenas. The DOJ is saying that since Speaker Pelosi said that they were not even close to an impeachment inquiry, there is no impeachment investigation, but Pelosi was correct, an official impeachment inquiry doesn’t start until there are articles of impeachment drafted. Trump’s DOJ is trying to split hairs and make a technical argument about the meaning of an impeachment investigation. It is a desperate move by a desperate administration that is trying to stall for as long as they can.