https://en.wikipedia.org/wiki/Francis_Walsingham
Those who are familiar with that period of English history know full well that the 'realm' was engulfed in internal conflicts and that the 'system' devised to "protect the realm" viewed the "subjects of the Crown" as potential adversaries. There you will find the 'DNA' of CIA. [So r/1960s/1947 ..]
America won "World War 2" but lost its soul.