Short answers, pulled from the story.
Attorney General Charles Bonaparte hired thirty-four people to form a new investigative agency on the 26th of July 1908. President Theodore Roosevelt had urged the creation of this autonomous service after the Oregon land fraud scandal exposed gaps in existing law enforcement capabilities.
J. Edgar Hoover directed the FBI from 1924 until his death in 1972, serving forty-eight consecutive years. He created the Scientific Crime Detection Laboratory which officially opened in 1932 to professionalize government investigations.
The Venona Project allowed American and British governments to read Soviet communications while Robert Shivers obtained permission from Hoover to start detaining people on the 7th of December 1941. President Franklin Roosevelt issued Executive Order 9066 on the 19th of February 1942 authorizing removal of Japanese Americans from the West Coast.
The FBI created the Top Hoodlum Program on the 25th of August 1953 to gather information on mobsters in their territories. A congressional committee called the FBI's organized crime informant program one of the greatest failures in federal law enforcement history after four innocent men were convicted of the March 1965 gangland murder of Edward Teddy Deegan.
The FBI headquarters is located at the J. Edgar Hoover Building in Washington, D.C. In June 2021, the FBI held a groundbreaking for its planned Innovation Center set to be built in Huntsville, Alabama.