This series comprises the records of Siminoski's request of October 22, 1982, for all FBI documents relating to the surveillance of gays and lesbians between 1950 and 1982, and of the subsequent lawsuit filed on his behalf by the ACLU Foundation of Southern California on October 11, 1983. These records include Siminoski's correspondence with the FBI and with his legal counsel, the legal filings in the case, litigation correspondence between Siminoski's counsel and counsel for the FBI, drafts by Siminoski and his counsel of various legal filings, additional attorney notes and drafts, and materials created or collected by Siminoski in the course of his lawsuit. The series is divided into three subseries: 1. Legal Filings, 2. ACLU Files, and 3. Dan Siminoski files.