Accused in Quebec City sword attack to argue not criminally responsible for killings Justice Richard Grenier told the jurors in attendance Wednesday the case would be postponed until next Tuesday, which would permit 11 jury members to hear the case and allow any other juror who is positive for COVID-19 to isolate.Grenier says he’s hopeful the trial can resume next week without any other problems and says lawyers will discuss ways of shortening the presentation of evidence.The Criminal Code stipulates that a minimum of 10 jurors is required to deliver a verdict.The first juror tested positive for COVID-19 on Tuesday.Girouard’s trial was expected to last between four and five weeks..