Rough Justice

Early in the morning of 18 May 1942, three Dutchmen were captured in the North Sea and taken to MI5. It soon became clear that one in particular, Johannes Marinus Dronkers, was no mere refugee escaping the Nazi occupation. He had a hidden agenda: to betray secrets about the state of Britain’s war preparedness to the German Abwehr. It was to be an intriguing episode in the cat-and-mouse game played...