Dion Johnson was shot and killed by an Arizona trooper during an altercation near the Loop 101 and Tatum Boulevard in 2020. Charges were not pursued against the trooper, who officials said acted in self-defense. Johnson’s mother, Erma, sued the trooper and Arizona, but a judge later tossed out the lawsuit. On Monday, a judge ruled Erma must pay the state for its legal fees stemming from the case…