A color guard representing police forces from the United States and Canada march during the annual Police Week memorial ceremony in Grand Forks, N.D., May 12, 2015. The ceremony paid tribute to law enforcement officers who have lost their lives in the line of duty. (U.S. Air Force photo by Staff Sgt. David Dobrydney/released)
A detachment from the 319th Security Forces Squadron from Grand Forks Air Force Base stands at attention outside the Grand Forks County Courthouse in Grand Forks, N.D., May 12, 2015. The Airmen were present for the annual Police Week memorial ceremony which brought together officers from 18 different law enforcement agencies. (U.S. Air Force photo by Staff Sgt. David Dobrydney/released)
North Dakota Attorney General Wayne Stenehjem delivers the keynote address during the annual Police Week memorial ceremony in Grand Forks, N.D., May 12, 2015. The event was attended by law enforcement officers from the states of North Dakota and Minnesota, the U.S. Air Force, as well the U.S. Border Patrol and the Royal Canadian Mounted Police. (U.S. Air Force photo by Staff Sgt. David Dobrydney/released)
Lt. Col. Jeffrey Becker, 319th Security Forces Squadron commander, places a rose on a memorial to fallen U.S. Air Force Security Forces Airmen during the annual Police Week memorial ceremony in Grand Forks, N.D., May 12, 2015. Becker and a detachment from the 319th SFS attended the ceremony in solidarity with fellow police forces from the United States and Canada. (U.S. Air Force photo by Staff Sgt. David Dobrydney/released)
Airman 1st Class Ashley Miller and Senior Airman Eric Bailey from the 319th Security Forces Squadron perform a flag folding presentation during the annual Police Week memorial ceremony in Grand Forks, N.D., May 12, 2015. The ceremony paid tribute to law enforcement officers who lost their lives in the line of duty. (U.S. Air Force photo by Staff Sgt. David Dobrydney/released)