Michigan Swamp Buck just posted a thread here about an recent FBI warning regarding heightened alerts for terror attacks on US soil. That thread can be found here, and may be yet another piece in this puzzle.
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“Trouble rather the tiger in his lair than the sage among his books. For to you kingdoms and their armies are things mighty and enduring, but to him they are but toys of the moment, to be overturned with the flick of a finger.”
― Gordon R. Dickson, Tactics of Mistake
― Gordon R. Dickson, Tactics of Mistake