Shooting took place at Walmart in Tumwater, Washington state
Emergency calls were made to dispatcher at around 5pm local time
Suspect carjacked one vehicle then led police to the parking lot of local Walmart
When he tried to carjack another vehicle, an armed bystander shot him dead
http://www.dailymail.co.uk/news/article-5855083/Multiple-injures-shooting-Walmart-Cops-declare-mass-casualty-event-busy-grocery-store.html