Transcript of the trial of schoolchildren Harry Potter and Hermione Granger, who committed the negligent murder in the Hogwarts Express of two adult wizards Peter Petigrew and Dolores Umbridge. - Harry Potter tell us about the circumstances that led to the death of Peter Petigrew. "I don't know any Petigrew! Tell us how Korost the rat died. "It happened by accident! I introduced myself by my name to Ron Weasley. For some reason, the rat immediately jumped up and ran through the loosely closed door from the compartment. While biting Ron's finger. Rona asked me to catch up with her. I ran down the aisle in the carriage. And a girl jumped out to meet me, chasing a toad. We both ran bending down and didn't see each other. And hit their heads...