Amendments were made to the Freedom of Information Act (FOIA) in 1975, the Federal Bureau of Investigation has handled over 300,000 requests and has released over six million pages of FBI documents, in paper format, to the public. For this site, the FBI has made a number of interesting cases available electronically. At present, over 35 files containing thousands of pages are available (.pdf format). Users can browse the files alphabetically or by category, the latter including: Famous Persons, Historical Interest, Espionage, Gangster Era, and Unusual Phenomena. Some of the more interesting subjects include Lucille Ball, Thurgood Marshall, Marilyn Monroe, the Rosenbergs, John Wayne, John Dillinger, the 1962 Alcatraz escape, Klaus Barbie, and UFOs.