Unless she admitted to him that she ran the red light, his statement is worthless. She probably told him the same thing she told her insurance company. It's one of those unfortunate things. In your case, the officer has no information as to who is at fault except the statements given, which most likely contradict.
Pittsburgh Pirates- 1st place NL Central 7/15/11
They've got us surrounded? Good. Now we can fire in any direction, those bastards wont get away this time
An amateur will train until they get it right. A professional will train until they can't get it wrong.