Published February 21, 2013, 12:00 AM
Images from a mock school shooting
These photos were taken during a drill at Grafton (N.D.) High School on Thursday, Feb. 21, 2013.
A SWAT team enters Grafton (N.D.) High School on Thursday, Feb. 21, 2013, during a mock school shooting exercise. It was a day off for students and the exercise was mainly for administrators, teachers and law enforcement. (John Stennes / Grand Forks Herald)
