Missed warnings of Capitol riot echo intelligence lapses before shootings, 9/11

WASHINGTON – The FBI’s unheeded warnings that violence threatened the U.S. Capitol on Jan. 6 echoed intelligence failures of previous violent attacks in the United States, including mass shootings and the terrorist hijackings of Sept. 11, 2001, according to experts.

National security experts said the lapses revealed that authorities continue to have trouble separating real threats from empty talk, sharing information across agencies and acting to prevent violence.

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