Executive Order 9066 was a United States presidential executive order signed and issued during World War II by United States president Franklin D. Roosevelt on February 19, 1942. "This order authorized the forced removal of all persons deemed a threat to national security from the West Coast to "relocation centers" further inland—resulting in the incarceration of Japanese Americans." Two-thirds of the 125,000 people displaced were U.S. citizens.

The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. An agency of the United States Department of Justice, the FBI is also a member of the U.S. Intelligence Community and reports to both the Attorney General and the Director of National Intelligence. A leading U.S. counterterrorism, counterintelligence, and criminal investigative organization, the FBI has jurisdiction over violations of more than 200 categories of federal crimes.