In 1944 Haushofer's son Albrecht was implicated in the July 20 Plot to assassinate Hitler. Karl was arrested on July 28, 1944, and imprisoned for a month at Dachau before he was released.Herwig, Holger The Demon of Geopolitics: How Karl Haushofer "Educated" Hitler and Hess, Rowman and Littlefield, London, 2016, p. 193
