PONTIAC, Mich. — An Oakland County jury will now decide whether the mother of the Oxford High School shooter should bear criminal responsibility for her son’s violence, or if she simply made tragic lapses in judgment but could not have foreseen the harm her son caused. Deliberations are set to begin Monday in the trial against Jennifer Crumbley, 45, on involuntary manslaughter charges in connection with the deaths of four students her son killed in the Nov. 30, 2021, shooting: Madisyn Baldwin, 17; Tate Myre, 16; Hana St. Juliana, 14; and Justin Shilling, 17. She faces up to 15 years in prison ...