The Auschwitz case file was the result of investigations of persons formerly connected with Auschwitz concentration camp. The investigations were conducted by the US military during and after World War II. No trial of Auschwitz defendants was ever tried under U.S. auspices. The Auschwitz case file is currently a part of the National Archives and Records Administration (NARA) Record Group 338, Records of United States Army Commands, 1942- "Cases Not Trie").