And you equate that with a willful kidnapping and murder?
Yes, they are liable for someone falling in the parking lot. You are liable if someone is injured on your property.
I do not blame Wal-Mart. I do wish that all 24 businesses would make it very difficult for this to happen. One way is to have an escort out to the car in the evening hours. There should be some other methods that would discourage this.
I imagine a lawyer would say that preventing this particular crime would involve creating a scene, accusations of racism, etc. However, it would be worth it to save a young woman's life.