"People began screaming, 'Kill him with his own gun,'" said Officer Michael Fanone, who was defending the U.S. Capitol.
The case could determine the fate of many of the nearly 200 people arrested during the inauguration.
A judge dismissed just one of the felony charges against six defendants on Wednesday, leaving them exposed to potential lengthy prison sentences.
Gregg Pemberton was quizzed about his use of Twitter by defense lawyers.
"Got any assignments you want to throw at me?” Alexei Wood asked in one email to an editor before Jan. 20.
Trump inauguration demonstrators are facing severe felony charges that critics say threaten to chill future protests in Washington, D.C.
The U.S. government plans to seek felony convictions for nearly 200 inauguration protesters. The first trial is now underway.
Research suggests body cameras have made no difference in police behavior in Washington, D.C., leading some to question their worth.
All 6 have since been accounted for.
The noose was discovered hanging from a lamp post outside the National Gallery of Art.