today s divisiveness and misinformation. ideologies of hate, false information, false narratives are primary sources of the threat landscape that we confront in the united states today. reporter: experts on extremism say the threat has not diminished. the extremists are not done now that we re a year out of january 6. they have not been swayed as the group or movement from stopping their activity. reporter: u.s. capitol police chief tom manger says he expects his force to be tested again. to protect the capitol they have improved intelligence gathering and sharing, streamline procedures for calling national guard backup. conducting joint exercises, improving equipment and training and plan to hire 280 officers a year for the next three years. but former d.c. metropolitan police officer michael fanone who was dragged out into the mob and beaten says the work is not