The Zurich High Court has rejected Pierin Vincenz"s appeal, affirming that prosecutors in his fraud trial were not biased, despite his claims regarding the use of external experts for the indictment. Vincenz and co-defendants can still appeal to the Federal Supreme Court, as the decision is not yet legally binding. The case, which involves allegations of secret investments and profits from Raiffeisenbank acquisitions, has faced significant procedural issues, leading to a lengthy legal process ahead.