Moment Jennifer Crumbley found guilty of manslaughter A Michigan jury has found Jennifer Crumbley guilty of manslaughter in the Oxford High School shooting, after she bought her teenage son a firearm and ignored multiple warning signs about his disturbing behaviour in the lead-up to the deadly attack. Jurors reached the verdict on Tuesday morning after deliberating for more than 10 hours. Crumbley, 45, had pleaded not guilty to four counts of involuntary manslaughter in the case. Fox 2