I. THE SPECIAL COUNSEL’S INVESTIGATION On May 17, 2017, Deputy Attorney General Rod J. Rosenstein—then serving as Acting Attorney General for the Russia investigation following the recusal of former Attorney General Jeff Sessions on March 2, 2016—appointed the Special Counsel “to investigate Russian interference with the 2016 presidential election and related matters.” Office of the Deputy Att’y Gen., Order No. 3915-2017, Appointment of Special Counsel to Investigate Russian Interference with the 2016 Presidential Election and Related Matters, May 17, 2017) (“Appointment Order”). Relying on “the authority vested” in the Acting Attorney General, “including 28 U.S.C. §§ 509, 510, and 515,” the Acting Attorney General ordered the appointment of a Special Counsel “in order to discharge [the Acting Attorney General’s] responsibility to provide supervision and management of the Department of Justice, and to ensure a full and thorough investigation of the Russian government’s efforts to interfere in the 2016 presidential election.” Appointment Order (introduction). “The Special Counsel,” the Order stated, “is authorized to conduct the investigation confirmed by then-FBI Director James B. Comey in testimony before the House Permanent Select Committee on Intelligence on March 20, 2017,” including: i. any links and/or coordination between the Russian government and individuals associated with the campaign of President Donald Trump; and ii. any matters that arose or may arise directly from the investigation; and iii. any other matters within the scope of 28 C.F.R. § 600.4(a). Appointment Order ¶ (b). Section 600.4 affords the Special Counsel “the authority to investigate and prosecute federal crimes committed in the course of, and with intent to interfere with, the Special Counsel’s investigation, such as perjury, obstruction of justice, destruction of evidence, and intimidation of witnesses.” 28 C.F.R. § 600.4(a). The authority to investigate “any matters that arose . . . directly from the investigation,” Appointment Order ¶ (b)(ii), covers similar crimes that may have occurred during the course of the FBI’s confirmed investigation before the Special Counsel’s appointment. “If the Special Counsel believes it is necessary and appropriate,” the Order further provided, “the Special Counsel is authorized to prosecute federal crimes arising from the investigation of these matters.” Id. ¶ (c). Finally, the Acting Attorney General made applicable “Sections 600.4 through 600.10 of Title 28 of the Code of Federal Regulations.” Id. ¶ (d).