sentences:  He was associate editor of the left-wing newspaper "Die Innere Front" ("The Internal Front"), which published articles for opponents of Adolf Hitler from various backgrounds, even publishing some articles in foreign languages.As a result, he is considered to have been involved in the Rote Kapelle.On 1 December 1942, he and Martin Weise were arrested, and on 8 October 1943 he was convicted in the second Senate of the "Reichskrieggericht", the highest military court during the Nazi era.