I believe it's too late for this argument.  Trump deployed the military on US soil by signing off on the Operation Warp Speed.  Covid was (still is) a military kill campaign.  My bet would be that this is what they have over his head - treason, punishable by death.  It is true that these 2 oligarch factions (nominally Dems and Reps but ultimately serving same masters) are now at war with each other and importing armies, and moving them in positions under various pretenses.