He left the press on Monday to rely on federal authorities to impose contempt on Congress.
He had been expected to appear at an FBI field office before entering the building. He stopped briefly and asked for a brief address and then entered the building as he walked inside the building. He will appear before the judge later on Monday.
As soon as he entered the building, Bannon talked to his podcast listeners in a live stream on the social media site GTTR.
Bannon promoted the guest lineup for his podcast, War Room.
Just after that, Bannon said on his podcast on Jan. 5 that the next day would be a game day. So strap in to make it ready.
The hell will break out tomorrow, he said.
Bannon stepped down from the White House in August 2017, as the chief strategist for the White House in August in 2017.