The FBI is continuing to stonewall congressional oversight of the agency’s investigation into a pair of pipe bombs found at the Democrat National Committee and Republican National Committee headquarters on Jan. 6, 2021. On Wednesday, House Republicans on the Judiciary Committee re-upped demands for a comprehensive briefing on the two-year-old case over which the FBI has refused transparency.“Your failure to comply with our request is particularly concerning given recent media reports regarding the pipe bomb investigation,” lawmakers wrote.