Seems to be a lot of discussion about how the Jan 6th videos released ( un blurred ) were causing arrests. The FBI has relied heavily on public groups to ID the participants. One group took this work very seriously. They are why they GOP wanted to blur the faces. Called 'Sedition Hunters'
https://www.npr.org/2021/08/18/1028527768/the-fbi-keeps-using-clues-from-volunteer-sleuths-to-find-the-jan-6-capitol-riote