According to sources familiar with the matter, neither the FBI nor the Justice Department has provided documents in response to that part of the committee’s subpoena. But in face-to-face briefings with congressional staff, according to those sources, FBI and DOJ officials have said they cannot verify the dossier’s charges of a conspiracy between the Russian government and the Trump campaign.

The news appears to contradict recent statements from some top Democrats. “A lot of it has turned out to be true,” Rep. Adam Schiff, ranking Democrat on the House Intelligence panel, told the Wall Street Journal on Wednesday.