The claim arrives in the form of a footnote in a 41-page motion to dismiss charges against members of the Oath Keepers. An attorney for a Jan. 6 defendant says in a recent court filing that at least 20 FBI and Bureau of Alcohol, Tobacco, Firearms, and Explosives "assets" were embedded around the U.S. Capitol on the day of the riot. The attorney, David Fischer, is seeking a dismissal of charges of seditious conspiracy and obstruction charges against nearly a dozen members of the Oath Keepers and client Thomas Caldwell. The 41-page motion was filed Tuesday before U.S. District Judge...