The judge said the assault with chemical spray on Capitol Police Officer Brian Sicknick and two other officers contributed to the mob's ability to breach the police line that had been guarding the Capitol.
Christopher Miller’s testimony will amount to the most thorough explanation of Pentagon actions after months of criticism that it took hours for the National Guard to arrive.
Former acting Defense Secretary Christopher Miller is scheduled to testify next week about the Pentagon's role in responding to the deadly Jan. 6 riot at the Capitol.
The joint session is designated as a “national special security event,” which clears the way for communication, funding and preparation between multiple agencies, including the Capitol Police, Pentagon, Homeland Security and District-area police.