Attorney General's memorandum on the 1986 amendments to the Freedom of Information Act : a memorandum for the executive departments and agencies concerning the law enforcement amendments to the Freedom of Information Act, 5 U.S.C. [paragraph] 552, enacted as the Freedom of Information Reform Act of 1986, [paragraphs] 1801-1804 of the Anti-Drug Abuse Act of 1986, 100 Stat. 3207, 3207-48 (October 27, 1986)