PONTIAC, Mich. — Deliberations will begin Monday in the trial against Jennifer Crumbley, the mother of the Oxford High School shooter, after prosecutors said she could’ve done the “smallest” things to prevent the 2021 shooting while her attorney maintained it wasn’t foreseeable and she was a good parent. Both sides spent more than an hour each making their closing arguments. Oakland Prosecutor Karen McDonald said a guilty verdict won’t ease the pain of the families who lost children in the shooting or appease other victims. McDonald’s voice rose in anger during her rebuttal as she told the jur…