J. Edgar Hoover was the head of the FBI from its inception in 1935 through 1972.
Many of those years were dedicated to rooting out communists in America.
In this testimony before Congress in 1947 Hoover outlines the dangers facing the US during the Cold War.
For more on this era check out our PowerPoints:
- U.S. Foreign Policy in the Cold War Era: Truman to Kennedy
- U.S. Foreign Policy in the Cold War Era: Johnson to the Fall of the Berlin Wall
- The 1950s