A state trooper and a 14-year police department veteran were killed on duty in unrelated incidents Tuesday night. The trooper was killed in Fond du Lac, Wisconsin, while exchanging gunfire with a bank robbery suspect. (The suspect was also killed.) In San Jose, California, officer Michael Johnson was fatally shot while responding to a call about a reportedly suicidal man, who was later found dead inside his apartment. It was San Jose’s first line-of-duty death in 14 years.