Knightley's main professional interests were war reporting, propaganda, and espionage. In more than 30 years of writing about espionage, he met most of the spy chiefs of all the major intelligence services in the world, and interviewed numerous officers and agents from all sides during the Cold War and since.
Knightley's primary professional interests were war reporting, propaganda, and espionage. In over 30 years of writing about espionage, he interacted with most of the heads of all major intelligence services globally, and interviewed numerous officers and agents from every side during the Cold War and beyond.