undercurrents and conditions that led to january 6th, this popularization of conspiracy theories, of extreme sentiments and ideologies is maybe more pernicious than it was last year. >> reporter: and with the focus off the nation's capitol for now, the impact is that extremism can be felt anywhere. >> so, mika, obviously people that are going around brandishing a military-style weapon are great reasons for concern, people threatening school board members, physically threatening school board members. obviously, a great concern over the past year. politicians who are even -- we've seen in congress, politicians that use violent imagery, also a deep concern. it's important we separate that from parents, from local activists who may disagree with us on mask mandates, vaccine mandates, who peacefully go