"Federal Bureau of Investigation (FBI)". Stanford University - The Martin Luther King, Jr., Research and Education Institute. 2017-05-02. Archived from the original on Jul 9, 2021. Retrieved 2021-02-09.
"Federal Bureau of Investigation (FBI)". Stanford University - The Martin Luther King, Jr., Research and Education Institute. 2017-05-02. Archived from the original on Jul 9, 2021. Retrieved 2021-02-09.