What led the FBI to the man accused of placing pipe bombs in D.C.

The FBI arrested a 30-year-old man, Brian Cole Jr., in its nearly five-year investigation into who placed pipe bombs near the Republican and Democratic headquarters on the eve of the Jan. 6 Capitol attack. Geoff Bennett discussed more with Carol Leonnig, the reporter who broke the story and co-author of “Injustice: How Politics and Fear Vanquished America's Justice Department."

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