In 1913, it appears to the presence of the German intelligence service and the KGB in 1917 and the French intelligence in 1935. 

As for the U.S. Central Intelligence Agency was set up in 1947, and .. no doubt that all these devices have had deep roots in the world of espionage before the announcement of the official birth, but it is also true that the twentieth century witnessed a major breakthrough in all areas of covert action and intelligence... Continuar leyendo