Founding member of Oath Keepers Jon Schaffer enters first guilty plea in Jan. 6 Capitol breach

"The plea marks a new stage in the historic investigation, as prosecutors seek to work up the chain of defendants to gather evidence and better understand the full scope of any planning and organizing of the violence — particularly among groups like the far-right Oath Keepers and the Proud Boys. Dozens of members from both groups appeared to act in concert to storm the building, prosecutors have alleged.