FBI makes arrest in investigation into pipe bombs placed in DC on eve of Jan. 6 riot, AP source says

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FILE - This image shows part of a "Seeking Information" notice released by the Federal Bureau of Investigation regarding pipe bombs planted outside offices of the Democratic and Republican national committees in Washington on Jan. 5, 2021, on the eve of the attack on the Capitol. (FBI via AP, File)

WASHINGTON – The FBI made an arrest on Thursday in its nearly 5-year-old investigation into who placed pipe bombs in Washington on the eve of the Jan. 6, 2021, riot at the U.S. Capitol, a law enforcement official told The Associated Press.

The arrest marks the first time investigators have settled on a suspect in an act that had long vexed law enforcement, spawned a multitude of conspiracy theories and remained an enduring mystery in the shadow of the dark chapter of American histo