Complex sentence: LIBRIS post 9499878 In 2006, the Uppsala Stadsteater presented a play based upon the event titled "von Sydowmordens gåta" prompting journalist Karin Thunberg to interview Fredrik and Ingun's daughter to discuss how the murders affected her life.
Split into simpler sentences: LIBRIS post 9499878 In 2006, the Uppsala stadsteater presented a play about the event with the title "von Sydowmordens gåta". An interview in connection with the play was made with Fredrik and Ingun's living daughter about how the murders affected her life.