| By AP News Photos: YouTube Screenshots\Wikimedia Commons A harrowing chapter in American history remains shrouded in mystery: Who planted pipe bombs outside offices of the Democratic and Republican national committees in Washington on the eve of the attack on the Capitol? Hoping to generate new tips from the public, the FBI is releasing more information about its pipe bomb investigation. Read more. |

| Why this matters: Kamala Harris, then the Vice President-elect, was inside the DNC offices when the pipe bomb was found outside the building about 1:05 p.m. on Jan. 6. Before the bomb was deactivated, then-House Speaker Nancy Pelosi’s motorcade passed by the DNC building as she was evacuated from the Capitol, according to House Republicans. A host of basic questions remains unanswered four years later. Investigators haven’t determined if the suspect is a man or a woman, nor have they established a clear link between the pipe bombs and the Jan. 6, 2021, riot at the Capitol by a mob of Donald Trump’s supporters. In the absence of harder evidence, Republican lawmakers and right-wing media outlets have promoted conspiracy theories about the pipe bombs. House Republicans also have criticized security lapses, questioning how law enforcement failed to detect the bombs for 17 hours. |

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