The alleged Oxford High School shooter and his parents are all being held at the same jail but in separate cells, officials said. Ethan Crumbley, 15, was charged with four counts of first-degree murder, one count of terrorism causing death, seven counts of assault, and firearms charges. Parents Jennifer and James Crumbley were charged with four counts of involuntary manslaughter. Oakland County Sheriff Michael Bouchard said that the three family members are being held in separate sections of the Oakland County Jail after the parents were arrested on Saturday.  They aren’t permitted to communicate with one another, he confirmed. The three are all separately under suicide watch, out of an abundance of caution, Bouchard added. “We have nothing to lead us to believe that anybody has any mental health challenges so far,” he said during a news conference. “They indicate no interest or desire to hurt themselves.” Bouchard said that …