1924 J. Edgar Hoover is appointed the Director of the United States' Federal Bureau of Investigation, and remains so until his death in 1972.
1942 The Federal Bureau of Investigation (FBI) convicts 33 members of a German spy ring headed by Fritz Joubert Duquesne in the largest espionage case in United States history—the Duquesne Spy Ring
1964 Pacific Air Lines Flight 773, a Fairchild F-27 airliner, crashes near San Ramon, California, killing all 44 aboard; the FBI later reports that a cockpit recorder tape indicates that the pilot and co-pilot had been shot by a suicidal passenger.
1972 Watergate Scandal: U.S. President Richard M. Nixon and White House Chief of Staff H. R. Haldeman are taped talking about using the Central Intelligence Agency to obstruct the Federal Bureau of Investigation's investigation into the Watergate break-ins.
1986 The FBI Miami shootout between eight Federal Bureau of Investigation agents and two heavily-armed and well-trained gunmen.
1992 Charles Geschke, co-founder of Adobe Systems, Inc. is kidnapped at gunpoint from the Adobe parking lot in Mountain View, California and is held hostage for a ransom of $650,000 in a rented house in Hollister, California. The FBI rescues him four days later.