Watch on 123Movies. Communicating simultaneously to all 53 of the FBI’s field offices from his headquarters in the Department of Justice, this issue puts J. Edgar Hoover right at the heart of America’s fight against internal espionage during the war. Featuring footage from the FBI Academy in Quantico, Virginia, the film follows the progress of a new officer, dramatically depicting the investigation of a murder case involving the theft of top secret materials from a gas mask factory.