Schuschnigg was arrested by the Gestapo soon after this. He was sent to the infamous Dachau Concentration Camp, where he spent most of the war. After Dachau was liberated by allied armed forces he moved to the United States. He wrote books on his political career and worked in academia in the US. In 1968 he retired from being a professor and retired to Austria, where he died of natural causes in 1977. 