Law enforcement heroes honored at memorial ceremony
Detective John Dorer, University of Arizona Police Department officer, plays taps with a trumpet during the 9th Annual Pima County Regional Law Enforcement Memorial at the Tucson Convention Center in Tucson, Ariz., May 6, 2016. The memorial was held to honor local members of law enforcement who have lost their lives while serving in the line of duty. (U.S. Air Force photo by Senior Airman Chris Massey/Released)