Complex sentence: The trial of Heinrich Tillessen was one of the public and legal experts most and intense attention trial in postwar Germany, where striking numerous problems of judicial processing of crimes before and during the Nazi period constituted, in particular, the continuing influence of National Socialist injustice.
Split into simpler sentences: The trial of Heinrich Tillessen was a trial in postwar Germany, that had a high attention of the public and of the legal experts. There were numerous problems of judicial processing of crimes before and during the Nazi period, this also showed the continuing influence of National Socialist injustice.