Armgaard Karl Graves

Armgaard Karl Graves, also known as (or accused of being) Louis Clement Van Norden, Paul W. Graumann, Paul Gunther, Paul Peter Gunther von Kanitz, etc., was a German (or Swiss) "double agent" for the German Naval Intelligence and the British MI5 before the start of the First World War, later emigrating to the United States, where he engaged in black mail, extortion, swindling, and scams of all character, resulting in his deportation in 1937 and subsequent disappearance.