Why did the FBI miss the threats about Jan. 6 on social media?

Current and former FBI officials say there is confusion within the bureau itself about the rules for monitoring what Americans say on social media.

WASHINGTON — A senator had a simple question for the FBI’s counterterrorism chief at a hearing last week about the Capitol riot.

Didn’t the FBI see all those postings by extremists on social media before the event, she asked Wednesday, including promises to “occupy the Capitol” and bring “revolution” to Washington?

READ MORE: https://www.nbcnews.com/politics/justice-department/fbi-official-told-congress-bureau-can-t-monitor-americans-social-n1259769