; (ii) gender; (iii) Tribal enrollment and affiliation, if available; and (iv) any other variation or trend that the Attorney General determines to be appropriate. (c) Government accountability office report Not later than 18 months after the date of enactment of this Act, the Comptroller General of the United States shall submit to the Committee on Indian Affairs and the Committee on the Judiciary of the Senate and the Committee on the Judiciary and the Committee on Natural Resources of the House of Representatives a comprehensive report that includes— (1) a review of— (A) Federal, State, local, and Tribal law enforcement agency jurisdiction, including— (i) the facts that determine which law enforcement agency has jurisdiction over a case; and (ii) interjurisdictional coordination best practices; (B) the response policies and procedures with respect to a report of a missing Indian or murdered Indian of— (i) the Federal Bureau of Investigation; (ii) the Bureau of Indian Affairs; and (iii) any other Federal law enforcement agency responsible for responding to, or investigating, a report of a missing Indian or murdered Indian; (C) the covered databases relating to special cases of interest to Indian tribes; (D) the requirements for reporting information that is specific to special cases of interest to Indian tribes in covered databases; (E) the impact that staffing levels may have on the effectiveness of the response of law enforcement to special cases of interest to Indian tribes; and (F) notification systems relating to special cases of interest to Indian tribes, including notification systems used to alert— (i) other law enforcement agencies; and (ii) the public; and (2) recommendations for improving— (A) the policies of the Federal Bureau of Investigation, the Bureau of Indian Affairs, and other Federal law enforcement agencies for investigating and reporting missing Indians and murdered Indians