One shot maybe, but not four.
My initial thought was that they were a lousy shot if they fired four. However, if she were running away and zigzagging, they were a marksman.
Now here's a question for all of you. Why leave her with one shot, with the possibility of survival? Why, once down, didn't they insure she was deceased with more bullets? Or perhaps the damage from the bullet that hit was so extensive it was obvious she was deceased?
Sorry for this gruesome line of thinking, but it's important.
Unless the Victim was blown apart (I'm so sorry to say that), then why would the Perp leave her without knowing, absolutely, that she was deceased?
If there is any credence to the above speculation, then this was absolutely some random crackpot killing.
All amateur speculation and opinion only.
Let's find this miscreant.