Freeper RC One did some nice detective work and came to the same conclusion. Nice map work.
Why did Ahmad Al Aliwi Al-Issa choose that particular grocery store (vanity-multiple images)
https://freerepublic.com/focus/f-chat/3944947/posts
The fact that the shooter's address and the King Soopers store had the same numerical street address (16229) was interesting. Could the shooter have interpreted this as a sign that his choice of target was correct?