John Dillinger. Al Capone. The KKK. The Unabomber. John Gotti. Bonnie and Clyde. The FBI has investigated them all… and many more spies, terrorists, and criminals besides. Listed below, grouped according to our top investigative priorities and related categories, are many of our famous and most significant cases over the past century. The monographs and write-ups below have been made available for your use. You may download them for any non-commercial use without obtaining permission from the FBI. If you don’t see a case listed here, try our search engine or history story index.

In Depth

Terrorism - 9/11 Investigation - Anthrax/Amerithrax - Beltway Snipers: Part 1| Part 2 - East African Embassy bombings 1998 - Eric Rudolph: Part 1 | Part 2 - Millennium Plot/Ahmed Ressam - Oklahoma City bombing - Palmer Raids - Pan Am 103 bombing - Unabomber - USS Cole Bombing - Wall Street bombing 1920 - Weather Underground bombings - World Trade Center bombing 1993 - Fawaz Younis Counterintelligence/Espionage - Aldrich Ames - Atom Spy Case/Rosenbergs - Black Tom 1916 bombing - Duquesne Spy Ring - Espionage in the Defense Industry - Hollow Nickel/Rudolph Abel - Iva Toguri d’Aquino and “Tokyo Rose” - Maksim Martynov - Nazi Saboteurs and George Dasch - ND-98: Case of the Long Island Double Agent - Pearl Harbor Spy - Robert Hanssen - Thwarted Sabotage in Zambia - Vasilli Zubilin - Velvalee Dickinson, the “Doll Woman” - Vonsiatsky Espionage - Year of the Spy (1985) Cyber Crime - Operation Innocent Images Public Corruption - ABSCAM - Operation Greylord - Tennessee Waltz Civil Rights - Baptist Street Church bombing - Emmett Till - Mississippi Burning- KKK series

Organized Crime/Gangsters - Al Capone - Barker/Karpis Gang - Bonnie and Clyde - Joe Pistone, Undercover Agent - John Dillinger - John Gotti - Kansas City Massacre/“Pretty Boy” Floyd - Lester Gillis (“Baby Face” Nelson) - “Machine Gun” Kelly - Roger “The Terrible” Touhy - The Brady Gang - The Fur Dressers case White Collar Crime - Enron - Hurricane Katrina Fraud - Operation Senior Sentinel - Operation Stolen Dreams Violent Crime/Major Thefts/ Bank Robberies - Brinks Robbery  - Charles Ross Kidnapping - D.B. Cooper Hijacking - Durkin - Murder of an FBI Agent - Greenlease Kidnapping - Jack Gilbert Graham - James Edward Testerman - John Elgin Johnson - Jonestown - Joseph Edward Earlywine - Judge Vance Murder - Krupp Diamond Theft - Lindbergh Kidnapping - Murder and Mayhem in the Osage Hills - Nussbaum and Wilcoxson - Patty Hearst - Richard Floyd McCoy, Jr. - The Black Dahlia - Weinberger Kidnapping - Weyerhaeuser Kidnapping Historical Ten Most Wanted - Billie Austin Bryant  - Gerhard Arthur Puff  - Willie Sutton