Don't forget, the Fed AGs can now coordinate with Military Courts as per the EO:
https://www.whitehouse.gov/presidential-actions/2018-amendments-manual-courts-martial-united-states/
Sec. 12. In accordance with Article 33 of the UCMJ, as amended by section 5204 of the MJA, the Secretary of Defense, in consultation with the Secretary of Homeland Security, will issue nonbinding guidance regarding factors that commanders, convening authorities, staff judge advocates, and judge advocates should take into account when exercising their duties with respect to the disposition of charges and specifications in the interest of justice and discipline under Articles 30 and 34 of the UCMJ. That guidance will take into account, with appropriate consideration of military requirements, the principles contained in official guidance of the Attorney General to attorneys for the Federal Government with respect to the disposition of Federal criminal cases in accordance with the principle of fair and evenhanded administration of Federal criminal law.