Editor’s note: As part of our 10th anniversary, Behind the Badge is sharing stories from our archives on Tuesdays and Fridays. This story is from July 20, 2016. The Santa Ana Police gang detective is lucky to be alive after a suspect fired a round that grazed the side of his head. In Orlando, it was a helmet that likely saved the police officer’s life. On Tuesday, tragedy visited the Kansas City Police Department for the second time since May, when an armed suspect shot and killed 46-year-old Capt. Robert David Melton. The public servants are among at least 164…