WaPo Duisburg S04E06 - Tödliche Neugier

An argument between stand-up paddler Dietmar Knaus and scrap dealer Walther Bracht escalates. Jäger and Mark have to mediate. Everything seems to have been resolved, but then Knaus is suddenly found dead in the Rhine. Did Bracht shoot him? Carsten Heinrich has other concerns—a series of ATM explosions is causing unrest in Duisburg. While Heinrich is in the dark about his case, the WaPo is making progress in its investigation. Who is responsible for the paddler's death?