John Edgar Hoover (1895-1972), American criminologist and government official.
J Edgar Hoover. HORIZONTAL. Encyclopædia Britannica Image Quest. Web. 1 Jan 2012.
Appointed FBI Director in 1924, J. Edgar Hoover used his new position to
- rid the agency of corrupt agents;
- seek qualified men for replacements;
- create detailed information files on people;
- have his G-Men capture or kill notorious gangsters predominately during the Great Depression.