The first members of what would later become Iran’s fearsome revolutionary guards were trained in a quiet village outside Paris. Those close to the Islamic Republic’s founder, Ayatollah Ruhollah Khomeini, who was in exile in Neauphle-le-Château, secretly began recruiting Iranian revolutionaries in the West to establish a “people’s army”. One of the group’s founders, Mohsen Sazegara, has told The Telegraph that the aim in 1978 was to gather loyalists prepared to confront the Shah’s regime head-on in Iran. The recruits first studied the theory of guerrilla warfare before being dispatched to Beirut and Damascus for military training. There, they learnt...