F.B.I. Offers New Details on Jan. 6 Pipe Bomb Suspect, Seeking Tips NYT | Top Stories By: Devlin Barrett and Alan Feuer 3 January 2025 at 07:00 Four years later, the largest lingering mystery of the Capitol riot remains unsolved. © Jason Andrew for The New York TimesFour years later, the F.B.I. released new details of the investigation to the pipe bomb suspect the night before the Jan. 6, 2021, riot at the U.S. Capitol.