JM 9-90.100
The Attorney General has determined that all criminal cases relating to activities directed against the national security (See JM 9-90.300 et seq.), as well as collateral offenses such as perjury that arise out of such activities, are to be supervised by the Assistant Attorney General (AAG), National Security Division. Although the AAG may assign those cases within the National Security Division, prosecution of national security cases will ordinarily be handled by the USAO in the district where venue lies. When a national security investigation is initially referred to the National Security Division, the AAG, or his/her designee, will notify the United States Attorney (USA) in that district as soon as possible following the referral. In either event, the AAG shall retain general supervisory authority over the conduct of the case from its inception until its conclusion, including appeal.
When national security issues arise in United States Attorneys' Offices in the course of prosecutions of offenses not related to the national security, that district's National/International Security Coordinator must notify the Chief of the Counterintelligence and Export Control Section (CES). That Section Chief shall be responsible for insuring that the Assistant United States Attorney (AUSA) assigned to the case is aware of and complies with Departmental policies related to national security prosecutions.
[updated January 2020]