ROCHESTER — After Olmsted County struck down a former Mayo Clinic doctor's attempt to get a first-degree murder indictment dismissed, his legal team is going up the ladder. Connor Bowman, 32, is facing a first-degree murder charge after he was accused of poisoning his wife, Betty Bowman, who died in August 2023. On June 30, Bowman's attorneys filed a petition for discretionary review asking the Minnesota appeals court to overturn Judge Kathy Wal…