Investigators have been working to crack the case for almost five years.
Federal authorities have arrested a Virginia man in connection with the placement of two pipe bombs outside the headquarters of the Republican and Democratic National Committees the night before the Jan. 6, 2021, attack on the U.S. Capitol, sources familiar with the matter tell ABC News.
The lack of answers led to widespread conspiracy theories about the suspect’s potential political motivations and speculation over whether they may have had foreknowledge about the attack on the U.S. Capitol.
“There is a massive cover-up, because the person who planted those pipe bombs — they don’t want you to know who it was, because it’s either a connected anti-Trump insider, or this was an inside job,” Dan Bongino, now the deputy FBI director, said