The Canadian Press 08/05/2024 04:00 The trial of a man who admits he killed four women in Winnipeg is set to begin Wednesday, and a law professor says lawyers for Jeremy Skibicki have multiple hurdles to clear for a defence of mental illness. Skibicki, 37, faces four counts of first-degree murder. His lawyers told court this week they will argue that he committed the killings but is not criminally responsible due to a mental disorder. Brandon Trask, an assistant professor of law at the University of Manitoba, said proving Skibicki had a mental disorder at the time of the killings is only the first step for the defence. Once a mental illness has been established, Trask said, it comes down to whether the diagnosis made Skibicki incapable of knowing that…