Facilities and support personnel The Attorney General is authorized to procure space, temporary facilities, and required administrative support staff, on an expedited basis, to accommodate the additional Board Members authorized under this subparagraph. (4) Office of immigration litigation Not later than September 30, 2021, in addition to positions authorized before the date of the enactment of this Act and any existing vacancies within the Department of Justice, and subject to the availability of appropriations, the Attorney General shall increase by not fewer than 100 the number of attorneys for the Office of Immigration Litigation. (b) Department of Homeland Security (1) Fraud detection and national security officers Not later than September 30, 2021, in addition to positions authorized before the date of the enactment of this Act and any existing officer vacancies within the Department of Homeland Security, and subject to the availability of appropriations, the Director of U.S. Citizenship and Immigration Services shall increase by not fewer than 100 the number of trained full-time active duty Fraud Detection and National Security (FDNS) officers. (2) ICE homeland security investigations forensic document laboratory personnel Not later than September 30, 2021, in addition to positions authorized before the date of the enactment of this Act and any existing officer vacancies within the Department of Homeland Security, the Director of U.S. Immigration and Customs Enforcement shall increase the number of trained full-time Forensic Document Laboratory Examiners by 15, Fingerprint Specialists by 15, Intelligence Officers by 10, and Administrative Staff by 3. (3) Immigration attorneys (A) ICE trial attorneys Not later than September 30, 2021, in addition to positions authorized before the date of the enactment of this Act and any existing attorney vacancies within the Department of Homeland Security on such date of enactment, the Director of U.S. Immigration and Customs Enforcement shall increase the number of