Some more information: She was not pregnant. He probably fired the first shots in his house.
http://www.freerepublic.com/focus/f-news/3185135/posts
“McDonnell would not say whether Miller was shot in the back as Greer said. He also declined to say how many shots were fired and whether either of the suspects was hit inside the house before fleeing.”
Bottom line is she pleaded for her life and according to the guy he shot her. Twice. On the ground.