Somebody needs more range time. Missed 10 out of 17, likely that 2-3 killed this nitwit. Totally unacceptable. But it is Denver.
"However, police said that they couldnt find any motive for the shootings and not heard about the possible religious conflict that his family say provoked the attack."
http://www.sweetness-light.com/archive/denver-safeway-shooter-was-a-muslim