DETROIT — The parents of the accused Oxford High School shooter are expected to be arraigned March 8 in Oakland County Circuit Court on involuntary manslaughter charges. James and Jennifer Crumbley were ordered this week to stand trial in connection with the Nov. 30 rampage by 52-3 District Court Judge Julie Nicholson following a preliminary hearing held over two days in February. Their son, 15-year-old Ethan Crumbley, is charged as an adult with multiple felony counts, including first-degree murder and terrorism. Four students were killed in the shooting and six other students and a teacher w…