Short answers, pulled from the story.
The Federal Bureau of Investigation was founded on the 26th of July 1908. It was established by Attorney General Charles Bonaparte following the assassination of President William McKinley in 1901. The agency was originally named the United States Bureau of Investigation before becoming the Federal Bureau of Investigation in 1935.
J. Edgar Hoover served as the director of the Federal Bureau of Investigation from 1924 until his death in 1972. His tenure lasted 48 years and included his time with the Bureau of Investigation and the Department of Investigation. Congress later passed legislation limiting the tenure of future FBI directors to ten years after his death.
The COINTELPRO program was a controversial domestic surveillance operation initiated by the Federal Bureau of Investigation to investigate and disrupt dissident political organizations. It targeted groups such as the Southern Christian Leadership Conference and individuals like Dr. Martin Luther King Jr. The program included tactics such as anonymous letters encouraging suicide and the use of wiretapping to monitor civil rights leaders.
The Federal Bureau of Investigation compiled a custodial detention list of Japanese Americans and Issei community leaders beginning in 1939. Mass arrests and searches of homes began on the 7th of December 1941 following the attack on Pearl Harbor. Over 5,500 Issei men were taken into FBI custody, and the agency continued surveillance on Japanese Americans throughout the war.
To apply to become an FBI agent in 2021, one must be between the ages of 23 and 37 and hold U.S. citizenship. Applicants must have a four-year bachelor's degree, at least three years of professional work experience, and a clean record. All candidates must pass a polygraph test, a Physical Fitness Test, and obtain a Top Secret security clearance.