It seems that it is necessary to completely dissolve the FBI, investigate senior staff and whoever else comes up, zero out pensions, and imprison those guilty of this attempted coup. Agents who had nothing to do with it can be rehired on a case-by-case basis. Or not.
“It seems that it is necessary to completely dissolve the FBI, investigate senior staff and whoever else comes up, zero out pensions, and imprison those guilty of this attempted coup.”
You missed the first step:
Call in the 101st Airborne to frog-march these dirty cops out of the building in cuffs.