Democrats plan on holding public hearings with some witnesses who have been deposed as part of their plan to provide some transparency to the inquiry.
It is possible, sources say, that public hearings could begin in mid-November. It is also possible, they could slip until after Thanksgiving.
Multiple House Democratic sources say the exact timeline is unknown because witnesses have provided more leads for them to track down and other witnesses have been difficult to schedule.
It’s also possible that former US ambassador to Ukraine Marie Yovanovitch, President Trump's former top Russia adviser Fiona Hill, top US diplomat in Ukraine Bill Taylor and Gordon Sondland, the US Ambassador to the European Union, could be among the witnesses to testify in open session.