You do understand that they were NOT FBI agents, right? They were wingnuts who grew alarmed at what they were exposed to. They reported the disturbing events they found out about to the FBI, and then the FBI asked them to keep track of future developments and keep them informed of what they subsequently learned...12 of the 18 Michigan Governor kidnapping plotters were FBI informants. It’s not unreasonable to assume they were also involved in 1/6
Pretty much the same tactic the FBI uses when mobsters come to them as informants, and they send them back after outfitting them with a wire... Or more on track for our discussion here, how the FBI often discovers terrorist plots in time to thwart them...
Speaking of being "involved in Jan 6", turns out that some of the suspicious tours being conducted prior to Jan 6 raised some eyebrows among people who documented their concerns...