During the term of President theodore roosevelt, Attorney General Charles Joseph Bonaparte set up a special agent team, 1908, on July 26th, and changed its name to BOI, 1909 on March 6th. Since then, his name has changed several times, 65438+. In July 1932, 1, Hoover, then director, renamed it the US Bureau of Investigation; 1935, changed its original name back to the Federal Bureau of Investigation, and this title has continued to this day.
In 1930s, the FBI arrested a number of notorious kidnappers, robbers and murderers, such as john dillinger, Nelson "Baby Face", Kate "Horse" Barker, Alvin Kapis and George Kelly? "Machine Gun". The FBI also played an important role in the action against the Klan.
From the 1940 s to the 1970 s, the FBI investigated espionage cases against the United States. During World War II, the FBI captured eight Nazi spies who went to the United States to carry out sabotage missions.
The FBI has also done a lot of work on organized crime in the United States, and cracked down on many criminal organizations and gangs, such as the Sam Giancana family and the John Gotti family.
The task of the FBI is to investigate violations of federal crime laws and support the law. Protect the United States from investigating intelligence and terrorist activities from foreign countries, provide assistance to federal, state, local and international agencies in leadership and law enforcement, and perform their duties on the premise of responding to public needs and being loyal to the US Constitution. Every time the FBI investigates intelligence information, it will submit it to the appropriate American lawyers or officials of the US Department of Justice, who will decide whether to approve the prosecution or other actions. Among them, it enjoys the highest priority in anti-atrocities, drugs/organized crime, foreign anti-espionage, violent crime and white-collar crime.