 It was later shown that approximately 300 forced laborers were employed, including Poles and Russians.During the war, it was common practice for German factories of this size (about 1000 workers) to use what was essentially slave labor, often with Slavic prisoners of war, who were frequently worked to death.The post-war French government required a payment of one million francs, variously described as ransom or bail, for the release of Piëch and Porsche.