He sat there in shock, not believing what the Guard Captain said. It couldn’t be true. His sweet daughter would not be capable of killing the man she was to marry. He watched, helpless, as they took her away.
And then came the trial. Even as he heard the evidence against her, he refused to believe she could commit such a vile act. As the verdict came in, his world fell apart. It echoed in his ears, “Guilty, guilty, guilty”
A casual remark by one of the party about something met on a previous adventure leads to a summons to and grilling by the Mages' Guild (or equivalent), probably resulting in an expedition back to that area to recover the things for 'study' by the Guild. The party's presence will be 'requested' for this expedition.