 He died in 1939.In 1948, Frühling, Köster, Walter Seggermann, Ernst Röschmann and further involved parties had to stand trial for the murders of Martha and Adolph Goldberg and Leopold Sinasohn before the Bremen District Court.Seggermann was sentenced to two and a half years and Röschmann to four years in prison, and the principle defendant Köster was sentenced to lifelong imprisonment.